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OCR for page 292
278
BIOGRAPHICAL MEMOIRS
physico-chemical constants. Carnegie Inst. Wash. Year Book,
7:201-3.
With i. Howard Mathews. The relation between compressibility,
surface tension, and other properties of material. J. Am. Chem.
Soc., 30:8-13.
With A. W. Rowe. A new method for the determination of the
specific heats of liquids.
Proc. Am. Acad. Arts Sci., 43:475-88.
Withy. Howard Mathews. Concerning the use of electrical heating
in fractional distillation. Proc. Am. Acad. Arts Sci., 43:521-24.
Note concerning the silver coulometer. Proc. Am. Acad. Arts Sci.,
44:91-94.
Les travaux de l'Universite de Harvard sur les poids atomiques.
Journal de Chimie Physique, 6:92-136.
1909
Modern chemistry and medicine. Atlantic Monthly, 103:39-43.
Wolcott Gibbs. Ber., 42:5037-54.
With l. Hunt Wilson and R. N. Garrod-Thomas. Electrochemical
investigation of liquid amalgams of thallium, indium, tin, zinc,
cadmium, lead, copper, and lithium. Carnegie Inst. Wash.
Publ., 118: 1-72; I. Z. physik. Chem., 72: 129-64; II. Ibid., 72:
165-201, 1910.
Extended investigations of precise values of atomic weights; and a
study of volume and energy relative to material in relation to the
new hypothesis of compressible atoms. Carnegie Inst. Wash.
Year Book, 8:219-21.
\\lith Paul Kothner and Erich Tiede. Further investigation of the
atomic weights of nitrogen and silver.
20.
To
J. Am. Chem. Soc., 31:6-
TVith W. N. Stull, F. N. Brink, and F. Bonnet, Jr. The compres-
sibilities of the elements and their periodic relations. l. Am.
Chem. Soc., 31:154-58.
With G. Jones. The compressibilities of the chlorides, bromides,
and iodides of sodium, potassium, silver, and thallium. i. Am.
Chem.Soc.,31:158-91.
A modified form of Gooch crucible. I. Am. Chem. Soc., 31:1146.
\Vith J. Howard Mathews. Further note concerning the efficiency
of fractional distillation by heat generated electrically. J. Am.
Chem. Soc., 31: 1200-2.
.,
OCR for page 293
THEODORE WILLIAM RICHARDS 279
Recent investigations in thermochemistry. I. Am. Chem. Soc.,
31: 1275-83.
Experimentelle Untersuchungen uber die Atomgewichte, 1887-1908.
Hamburg and Leipzig, Leopold Loss. 890 pp.
1910
With Hobart Hurd Willard. Further investigation concerning
the atomic weights of silver, lithium and chlorine. i. Am. Chem.
Soc., 32:4-49.
With Richard Henry Jesse, Jr. The heats of combustion of the
octanes and xylenes. l. Am. Chem. Soc., 32:268-98.
With Laurie Lorne Burgess. The adiabatic determination of heats
of solution of metals in acids. I. Am. Chem. Soc., 32:431-60.
With Gregory P. Baxter. Concerning the correction of the ap-
parent weight of a salt to the vacuum standard. l. Am. Chem.
Soc., 32:507-12.
With Allan W. Rowe and L. L. Burgess. The adiabatic determina-
tion of heats of solution of metals in acids. I. Am. Chem. Soc.,
32:1176-86.
With Otto Honigschmid. A revision of the atomic weight of cal-
cium. I. Analysis of calcium bromide. I. Am. Chem. Soc.,
32: 1577-90.
With F. G. Jackson. The specific heat of the elements at low
temperatures. Z. physik. Chem., 70:414-51.
With Gregory P. Baxter and Bruce Wyman. Henry Augustus Tor-
rey. Science, 32: 50-51.
lDll
With Otto Honigschmid. Revision of the atomic weight of calcium.
Second paper. Analysis of calcium chloride. l. Am. Chem.
Soc., 33:28-35.
\Vith George Leslie Kelly. The transition temperatures of sodium
chromate as convenient fixed points in thermometry. J. Am.
Chem. Soc., 33: 847-63.
\Vith I. Howard Mathews. A method for determining heat of
evaporation as applied to water. i. Am. Chem. Soc., 33:863-88
The possible solid solution of water in crystals. i. Am. Chem. Soc.
33:888-93.
The fundamental properties of the elements. (Faraday Lecture.)
Journal of the Chemical Society, 99:1201-18.
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280
BIOGRAPHICAL MEMOIRS
1912
With John W. Shipley. A new method for the quantitative analysis
of solutions by precise thermometry. J. Am. Chem. Soc., 34:599-
603.
Atomic weights. i. Am. Chem. Soc., 34:959-71.
With W. N. Stull, I. H. Mathews, and C. L. Speyers. Compres-
sibilities of certain hydrocarbons, alcohols, esters, amines, and
organic halides.
~ ~ r-,---
i. Am. Chem. Soc., 34:971-93.
The control of temperature in the operations of analytical chem-
istry. Orig. Com. 8th Internat. Confer. Ano1. Chem.. 1 :40.~-9
i.
v ~ 1
ne measurement ot temperature In the operations of analytical
chemistry. Orig. Com. 8th Internat. Congr. Appl. Chem., 1:411-
21.
Nephelometry. Orig. Com. 8th Internat. Congr. Appl. Chem.
423-27.
1913
, 1:
The chemical significance of the crystallin form. I. Am. Chem.
Soc., 35:381-96.
With A. W. Rowe. An improved method for determining specific
heats of liquids, with data concerning dilute hydrochloric, hy-
drobromic, hydriodic, nitric, and perchloric acids and lithium,
sodium, and potassium hydroxides.
49: 173-99.
Proc. Am. Acad. Arts Sci.,
1914
With John W. Shipley. A convenient method for calibrating
thermometers by means of floating equilibrium. i. Am. Chem.
Soc., 36:1-10.
With Augustus H. Fiske. ^ -I
1 _ 1 . _ r ~. ~
On the transition temperatures of the
hydrates ot sodium carbonate as fixed points in thermometry.
J. Am. Chem. Soc., 36:485-90.
The critical point, and the significance of the quantity b in the
equation of van der Waals.
J. Am. Chem. Soc., 36:617-34.
With Marshall W. Cox. The purity of fused lithium perchlorate,
and its bearing upon the atomic weight of silver. J. Am. Chem.
Soc., 36:819-28.
Further remarks concerning the chemical significance of crystalline
form. J. Am. Chem. Soc., 36: 1686-95.
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THEODORE WILLIAM RICHARDS 281
With \lax E. Lembert. The atomic weight of lead of radioactive
origin. l. Am. Chem. Soc., 36:1329-44.
With Clarence L. Speyers. The compressibility of ice. I. Am.
Chem. Soc., 36:491-94.
The present aspect of the hypothesis of compressible atoms. I. Am.
Chem. Soc., 36:2417-39.
1915
With F. O. Anderegg. The inclusion of electrolyte by the deposit
in the silver voltameter. I. Am. Chem. Soc., 37:7-23.
\\lith Charles R. Hoover. Molecular weight of sodium carbonate
and the atomic weight of carbon referred to silver and bromide.
I. Am. Chem. Soc., 37:95-108.
\Vith Charles R. Hoover. Molecular weight of sodium sulfate and
the atomic weight of sulfur. ~ -~~ ~ ~ ~ ~
J. Am. Chem. Soc., 37:108-13.
\Vith Edward P. Bartlett. Compressibilities of mercury, copper,
lead, molybdenum, tantalum, tungsten and silver bromide. J.
Am. Chem. Soc., 37:470-81.
With F. O. Anderegg. The complications at the anode in the
silver coulometer (voltameter). i. Am. Chem. Soc., 37:675-93.
With Frederick Barry. The l~eats of combustion of aromatic hy-
drocarbons and hexamethylene. J. Am. Chem. Soc., 37: 993-
1020.
Concerning the compressibili~ties of the elements and their relations
to other properties. J. Am. Chem. Soc., 37:1643-56.
\\7ith Leslie B. Coombs. Surface tensions of water, methyl, ethyl,
and isobutyl alcohols, ethyl butyrate, benzene and toluene. l.
Am. Chem. Soc., 37:1656-76.
1916
\~\lith Charles Wadsworth 3d. The density of lead from radioactive
minerals. I. Am. Chem. Soc., 38:221-27.
Suggestion concerning the statement of the phase rule. I. Am.
Chem. Soc., 38: 983-89.
With J. M7. Shipley. Compressibility of certain typical hydrocar-
bons, alcohols and ketones. T. Am. Chem. Soc., 38:989-99.
\Vith C. Wadsworth 3d. Density of radio-lead from pure Norwegian
cleveite. J. Am. Chem. Soc., 38:1658-60.
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282
BIOGRAPHICAL MEMOIRS
The essential attributes of the elements. I. Franklin Inst., 182:78-
86.
Ideals of chemical investigation. Science, 44:37-45.
1917
With H. W. Richter. On the absence of thermal hysteresis in the
copper-constantin thermoelement between 30 ° and 100 ° . I. Am.
Chem. Soc., 39:231-35.
With Norris F. Hall.
Attempt to separate the isotopic forms of
lead by fractional crystallization. i. Am. Chem. Soc., 39:531-41.
With W. Buell Meldrum. Melting points of the chlorides of
lithium, rubidium and cesium, and the freezing points of binary
and ternary mixtures of these salts, including also potassium
and sodium chloride. I. Am. Chem. Soc., 39: 1816-28.
With Harold S. Davis. Improvements in calorimetric combustion,
and the heat of combustion of toluene. Proc. Nat. Acad. Sci.,
3:50-58.
With Victor Ynave.
1918
~ The transition temperatures of strontium
chloride and strontium bromide as fixed points in thermometry.
I. Am. Chem. Soc., 40:89-96.
With V. Yngve. The solubility of sodium sulfate as a means of
determining temperature. J. Am. Chem. Soc., 40:164-74.
With Walter C. Schumb. The refractive index and solubilities of
the nitrates of lead isotopes. J. Am. Chem. Soc., 40:1403-9.
1919
With Sven Palitzsch. Compressibility of aqueous solutions, espe-
cially of urethane, and the polymerization of water. J. Am.
Chem. Soc., 41:59-69.
With W. M. Craig and l. Sameshima. The purification by sub-
limation and the analysis of gallium chloride. J. Am. Chem.
Soc.,41:131-32.
With Sylvester Boyer.
The purification of gallium by electrolysis,
and the compressibility and density of gallium. J. Am. Chem.
Soc., 41:133-34.
With Farrington Daniels. Concentrated thallium amalgams: their
electrochemical and thermochemical behavior, densities and
freezing points. J. Am. Chem. Soc., 41:1732-68.
With J. W. Shipley. The dielectric constants of typical aliphatic
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THEODORE WILLIAM RICHARDS 283
and aromatic hydrocarbons, cyclohexane, cyclohexanone, and
cyclohexanol. l. Am. Chem. Soc., 41:2002-12.
With Emmett K. Carver and Walter C. Schumb. Effect of pressure
and of dissolved air and water on the melting point of benzene.
i. Am. Chem. Soc., 41:2019-28.
The problem of radioactive lead. Science, 49:1-11.
With iitsusaburo Sameshima.
Am. Chem. Soc., 42:49-54.
1920
The compressibility of indium. J.
With ~itsusaburo Sameshima. The atomic weight of lead from a
Japanese radioactive mineral. i. Am. Chem. Soc., 42:928-30.
\Vith Setsuro Tamaru. A calorimetric method for standardizing
thermometers by electrical energy. J. Am. Chem. Soc., 42:1374-
77.
With Norris F. Hall.
The melting points and thermoelectric be-
havior of lead isotopes. I. Am. Chem. Soc., 42:1550-56.
zenith Harold S. Davis. The heats of combustion of benzene,
toluene, aliphatic alcohols, cyclohexanol, and other carbon com-
pounds. l. Am. Chem. Soc., 42: 1599-1617.
\\lith Allan W. Rowe.
An indirect method of determining the
specific heat of dilute solutions, with preliminary data concern-
ing hydrochloric acid. I. Am. Chem. Soc., 42:1621-35.
\\Jith Henry Krepelka. A revision of the atomic weight of alumi-
num. The analysis of aluminum bromide. Preliminary paper.
I. Am. Chem. Soc., 42:2221-32.
1921
With Sylvester Boyer.
Further studies concerning gallium. Its
electrolytic behavior, purification, melting point, density, co-
efficient of expansion, compressibility, surface tension and latent
heat of fusion. i. Am. Chem. Soc., 43:274-94.
\\lith A. W. Rowe. The heats of dilution and the specific heats of
dilute solutions of nitric acid and of hydroxides and chlorides
and nitrates of lithium, sodium, potassium, and cesium. l. Am.
Chem. Soc., 43:770-96.
NAlith Emmett K. Carver. A critical study of the capillary rise
method of determining surface tension, with data for water,
benzene, toluene, chloroform, carbon tetrachloride, ether and
dimethyl aniline. i. Am. Chem. Soc., 43:827~7.
\Vith Edward P. Bartlett and {ames H. Hodges. The compres-
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284
BIOGRAPHICAL MEMOIRS
sibility of benzene, liquid and solid. i. Am. Chem. Soc., 43:
1538-42.
With W. Buell Meldrum. The existence of tetrahydrated sodium
sulfate in mix-crystals with sodium chromate. i. Am. Chem.
Soc., 43: 1543-45.
The magnitudes of atoms. l. Am. Chem. Soc., 43:1584-91.
1922
With Charles P. Smyth. Solid thallium amalgams and the elec-
trode potential of pure thallium. I. Am. Chem. Soc., 44:524~5.
With James Bryant Conant. The electrochemical behavior of
liquid sodium amalgams. J. Am. Chem. Soc., 44:601-11.
With Theodore Dunham, fir. The effect of changing hydrogen-ion
concentration on the potential of the zinc electrode. I. Am.
Chem. Soc., 44:678-84.
With Allan W. Rowe. The heats of neutralization of potassium,
sodium and lithium hydroxides with hydrochloric, hydrobromic,
hydriodic and nitric acids, at various dilutions. l. Am. Chem.
Soc., 44:684-707.
With Thorbergur T. Thorvaldson. The heat of solution of zinc
in hydrochloric acid. I. Am. Chem. Soc., 44:1051-60.
With Setsuro Tamaru. The heat of solution of cadmium in hydro-
chloric acid. l. Am. Chem. Soc., 44:1060-66.
1923
Compressibility, internal pressure and atomic magnitudes. I. Am.
Chem. Soc., 45: 422-37.
With William M. Craig. The atomic weight of gallium. I. Am.
Chem. Soc., 45: 1155-67.
With Charles P. Smyth.
thallium amalgams.
The heat of solution of thallium in dilute
J. Am. Chem. Soc., 45: 1455-60.
1924
Atomic weights and isotopes. Chem. Rev., 1: 1-40.
With William T. Richards. The effect of a magnetic field on the
potential of hydrogen occluded in iron. I. Am. Chem. Soc.,
46:89-104.
With Edouard P. R. Saerens. The compressibilities of the chlorides,
bromides, and iodides of lithium, rubidium and cesium. J. Am.
Chem. Soc., 46: 934-52.
OCR for page 299
THEODORE WILLIAM RICHARDS 285
With Clarence L. Speyers and Emmett K. Carver. The determine.
tion of surface tension with very small volumes of liquid, and the
surface tensions of octanes and xylenes at several temperatures.
i. Am. Chem. Soc., 46:1196-1207.
The internal pressure of solids. T. Am. Chem. Soc., 46:1419-36.
(Comoressibilitv. internal Pressure and change of atomic volume.
J. Franklin Inst., 198: 1-27.
With William T. Richards. Preliminary attempt to measure
gravimetrically the distance-effect of chemical amenity. Proc.
Nat. Acad. Sci., 9: 379-83.
—----rig ~~ - - 1
1925
A brief history of the investigation of internal pressures. Chem.
Rev., 2:315~8.
Internal pressures produced by chemical affinity. J. Am. Chem.
Soc., 47:731~2.
With Frank T. Gucker, [r. An improved differential method for
the exact determination of specific heats of aqueous solutions;
including results for various salts and organic acids. J. Am.
Chem. Soc., 47:1876-93.
With Harris Marshall Chadwell. The densities and compressi-
bilities of several organic liquids and solutions, and the polymer-
ization of water. J. Am. Chem. Soc., 47:2283-2302.
1926
With Harold S. King and Lawrence P. Hall. Attempts to frac-
tionate mixed isotopes of lead, and the atomic weight of this
metal. i. Am. Chem. Soc., 48:1530~3.
Further evidence concerning the magnitude of internal pressures,
especially that of mercury. i. Am. Chem. Soc., 48:3063-80.
1927
Edith Alfred L. Loomis. The chemical effects of high frequency
sound waves. I. A preliminary survey. J. Am. Chem. Soc.,
49:3086-3100.
1928
With Harry L. Frevert and Charles E. Teeter, in A thermochem-
ical contribution to the study of the system cadmium-mercury.
I. Am. Chem. Soc., 50:1293-1302.
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286
BIOGRAPHICAL MEMOIRS
With Marcel Franc,on. The atomic weight of cesium. l. Am.
Chem. Soc., 50:2162-66.
With Joseph D. White. The compressibility of thallium, indium,
and lead. i. Am. Chem. Soc., 50:3290-3303.
With L. P. Hall and B. i. Hair. The compressibility of sodium,
barium, and beryllium. I. Am. Chem. Soc., 50:3304-10.
1929
With Arthur W. Phillips. The atomic weight of copper from the
Lake Superior region and from Chile. J. Am. Chem. Soc.,
51 :400-10.
With Lawrence P. Hall. Specific heats of sodium and potassium
hydroxide solutions.
With Frank T. Gucker.
J. Am. Chem. Soc., 51:707-12.
The heats of dilution of sodium hydroxide,
acetic acid and sodium acetate, and their bearing on heat capac-
ities and heat of neutralization. i. Am. Chem. Soc., 51:712-27.
With B. I. Mair and L. P. Hall. Heats of dilution and heat capac-
ities of hydrochloric acid solutions. J. Am. Chem. Soc., 51:727-
30.
With Lawrence P. Hall. Further studies on the thermochemical
behavior of sodium hydroxide solutions. J. Am. Chem. Soc.,
51 :731-36.
With Beveridge l. \lair. The heats of neutralization of acetic acid.
J. Am. Chem. Soc., 51:737-40.
With Beveridge l. Mair. A study of the thermochemical behavior
of weak electrolytes. J. Am. Chem. Soc., 51:740-48.
With Malcolm Dole. The heats of dilution and specific heats of
barium and calcium chloride solutions. i. Am. Chem. Soc.,
51 :794-802.
Ideals of chemical investigation.
6:2239~5.
With Marcel Frances. The decomposition of mercurous chloride
in concentrated solutions of other chlorides. J. Phys. Chem.,
33:936-50.
Journal of Chemical Education,
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RUDOLF RUEDEMANN
October 76, ]864-June 1S, 1956
BY JOHN RODGERS
RUDOLF RUEDEMANN was born in Georgenthal, Saxe-Coburg-
Gotha, the son of Albert and Franziska (Seebach) Ruede-
mann. His paternal ancestors had been Lutheran ministers for
nearly 300 years, but his father was a grocer in a small town in
the Thuringerwald. Both father and mother were enthusiastic
amateur naturalists and, abetted also by a helpful science teacher
in the Progymnasium, Ruedemann early acquired an interest
in botany. At the University of Jena, however, he changed to
geology (petrology at first), and in 1887 he received the degree
of doctor of philosophy.
He then took a position as assistant in stratigraphy and
paleontology at the University of Strassburg and earned a second
doctor's degree. It was here that he met his wife, Elizabeth
Heitzmann, whom he married on October 17, 1890. To eke
out the family income, he secured a license to teach in secondary
schools, and then, judging his chances of obtaining a higher
university post in Germany very small, he emigrated to the
United States in 1892.
Very soon after his arrival, he obtained a position teaching
science in the high school at Lowville, New York; a year later
he moved to a similar position at Dolgeville, New York. It was
in the years at Dolgeville that he took up the study of fossil
graptolites (a fairly large class of extinct animals incertoe sedisJ,
287
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288
BIOGRAPHICAL MEMOIRS
being stirred to it by some extraordinarily well-preserved ma-
terial showing the complete ontogeny of Diplograptus, the first
such material to be described in detail.
His studies of these and other fossils brought him into
contact with fames Hall and John M. Clarke at the State
Museum in Albany, New York, which Hall had made one of the
major centers of paleontologic research in North America. After
Hall's death in 1898, Clarke, who succeeded Hall as State
Paleontologist, urged Ruedemann to stand for the examination
for Assistant State Paleontologist; he was appointed to this post
in March 1899 and he held it until 1926, when he succeeded
Clarke as State Paleontologist. He retired in 1937 but worked
actively at the Museum until 1942. He continued to live in
Albany until his death in 1956; he was survived by his wife,
seven children (four with doctor's degrees), 16 grandchildren,
and 19 great-grandchildren.
Although Dr. Ruedemann's paleontologic and stratigraphic
interests were broad (he made significant studies of corals,
conularids, cephalopods, trilobites, and eurypterids), his central
interest remained the graptolites, of which he was for decades
the outstanding specialist in North America.
In his earlier
vears at Albany, he specialized in the Ordovician graptolites of
eastern New York State, and soon he showed that they could
be readily zoned and that the black shale facies in which they
mainly occur represents a far longer time span than had been
realized. In particular, by 1912 he had used his findings to
demonstrate a major lateral facies change from limestone east-
ward through black shale into graywacke (we would now say
flysch), one of the very first demonstrations of large-scale facies
changes in American geology. (His appreciation of the sig-
nificance of such changes he probably owed to his contact with
iohannes Walther at Jena.) Part of this change takes place in
the flat-lying strata of east-central New York, but part in the
badly deformed rocks at the west edge of the Appalachian
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RUDOLF RUEDEMANN
289
erogenic belt, and Ruedemann's work played an important part
in the unraveling of that deformation; in particular, he was one
of the first, if not the first, to suggest (in 1909) the allochthonous
or klippe hypothesis for the so-called Taconic slate, a hypothesis
by now very widely accepted.
As a result of his acknowledged preeminence in the study of
graptolites, graptolite collections from all over North America
were sent to him at Albany for specific determination and
stratigraphic control, and he thus became thoroughly familiar
with the graptolite faunas of the whole continent. Two major
works developed from this familiarity. One of these (in the
1930s) was a detailed study of the other fossils associated with
the graptolites, which he showed to represent not a benthonic
but a planktonic fauna, and he further concluded that the
graptolitic black shale and associated strata were deposited in
large part in deep water; this idea was not well received at the
time, but the recognition of the role of turbidity currents in the
deeper ocean about 1950 showed that Ruedemann had been
quite right. The other major work was his monumental memoir
on the graptolites of North America, his last published work.
During his long career, Ruedemann concerned himself with
many other geological topics. Some of these interests were
ephemeral, and nothing came of them, but more than once he
was a pioneer; for example, already in 1897 he used the orienta-
tion of fossil graptolites to deduce the direction of former
oceanic currents, and in 1928 he contributed substantially to the
recognition that the Capitan limestone (Permian of West Texas)
is a fossil reef.
Dr. Ruedemann was widely and favorably known among
paleontologists and geologists all over the world. He was elected
president of the Paleontological Society in 1916 and a member
of the National Academy of Sciences in 1928, as well as cor-
responding or honorary member of several European societies.
But he was always a very informal person, especially cordial and
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290 BIOGRAPHICAL MEMOIRS
helpful to beginning students, as the present writer can attest,
and he was always willing to relate, in a German accent that
seemed to thicken with the years, a string of delightful anecdotes,
often funny and irreverent, but often pertinent and revealing.
In her memorial to him, the late Dr. Winifred Goldring, his
successor as State Paleontologist of New York, summed up his
life as follows:
"There were just two important interests in Doctor Ruede-
mann's life, his scientific work and his family. He often re-
marked that he judged all women by comparison with his wife;
and he relied greatly upon her good sense and jud'~rnent, real-
izing that she was more practical than he. In spite of the fact
that he pursued his work at home as well as in the office, he still
found time to be with his children when they were young; and
he spoke many times of the long Sunday hikes he had with them.
In later years he took deep satisfaction in their successes. He was
very proud of his family and rightly so. During the course of a
conversation in his last years, Doctor Ruedemann remarked that
he had been happy in his work and had enjoyed seeing it in
print, that he had been happy with his family, notwithstanding
the difficult years, that his life as a whole had been a satisfaction
to him and he had no regrets—a wonderful way to feel at the
end of a long life."
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RUDOLF RUEDEMANN
BIBLIOGRAPHY
KEY TO ABBREVIA TIONS
291
Am. Geologist—American Geologist
Am. i. Sci. American Journal of Science
Am. Naturalist American Naturalist
Bull. Geol. Soc. Am. _ Bulletin of the Geological Society of America
Geol. Soc. Am. Mem. Geological Society of America Memoir
I. Paleontol. Journal of Paleontology
N.Y. State Geol. Ann. Rept. New York State Geologist Annual Report
N.Y. State Mus. Ann. Rept.—New York State Museum Annual Report
N.Y. State Mus. Bull.—New York State Museum Bulletin
N.Y. State Mus. NIem. New York State Museum Memoir
Pan-.\m. Geol. _ Pan-American Geologist
Proc. Am. Phil. Soc. Proceedings of the American Philosophical Society
Proc. Geol. Soc. Am. Proceedings of the Geological Society of America
Proc. Nat. Acad. Sci. Proceedings of the National Academy of Sciences
Proc. U.S. Nat. talus. Proceedings of the U.S. National Museum
Smithsonian Inst. 1\liSC. Coll. _ Smithsonian Institution Miscellaneous Col-
lections
Univ. Tex. Bull. University of Texas Bulletin
1887
Die Contacterscheinungen am Granit der Reuth bei Gefrees. In-
augural dissertation, Neues [ahrbuch fur Mineralogie, Geologic
und Palaontologie, Beilage-band V, pp. 641-76.
1895
Vorlaufige Mittheilung uber Bau van Diplograptus. Berichte der
Naturforschende Gesellschaft zu Freiburg I/B, Band IX, pp.
174-75.
Synopsis of the mode of growth and development of Diplograptus.
Am. J. Sci., 49:453-55.
Development and mode of growth of Diplograptus M'Coy. N.Y.
State Geol. Ann. Rept. 14 (for 1894), pp. 217-49; N.Y. State Mus.
Ann. Rept. 48, Vol. 2 (for 1894), pp. 217-49.
1896
Note on the discovery of a sessile Conula~ia, Article I. Am. Geol-
ogist, 17:157-66.
Note on the discovery of a sessile Conularia, Article II. Am. Geol-
ogist, 18:65-71.
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292
BIOGRAPHICAL MEMOIRS
1897
Evidence of current action in the Ordovician of New York. Am.
Geologist, 19: 367-91.
The discovery of a sessile Conularia.
15 (for 1895), pp. 699-728.
N.Y. State Geol. Ann. Rept.
1898
Synopsis of recent progress in the study of graptolites. Am. Nat-
uralist, 22: 1-16.
Additional note on the oceanic current in flee Utica epoch. Am.
Geologist, 21: 75-81.
The discovery of a sessile Conularia. N.Y. State Plus. Ann. Rept.
49, Vol. 2 (for 1895), pp. 699-728.
On the development of Tetradi~`m cellulose Hall sp. Am. Geol-
ogist 22:15-25.
' 1901
Hudson River beds near Albany and their taxonomic equivalents.
N.Y. State NIus. Bull., 42:485-587.
Trenton conglomerate of Rysedorph Hill, Rensselaer County, N.Y.,
and its fauna. N.Y. State NIus. Bull., 49:3-114.
1902
With I. M. Clarke. Contact lines of Upper Siluric formations on
the Brockport and Medina quadrangles. N.Y. State Mus. Bull.,
52:517-23.
The graptolite (Levis) facies of the Beekmantown formation in
Rensselaer County, N.Y. N.Y. State Mus. Bull., 52:546-75.
Nlode of growth and development of Goniog,~aptus thureaui M'Coy.
N.Y. State Mus. Bull., 52:576-92.
1903
\Vith J. M. Clarke. Catalogue of type specimens of Paleozoic fossils
in the New York State Museum. N.Y. State Mus. Bull. 65, 847
PP
The Cambric Diclyonema fauna of the slate belt of eastern New
York. N.Y. State talus. Bull., 69:934-58.
Noetling on the morphology of the pelecypods. Am. Geologist,
31 :33-40.
Representative terms from entire chapter:
biographical memoirs
