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- ~ 2 - 'impost of -':hose -who blare accepted assi,~ra<~r,ts are ei~ga,,ed ~ wa-r work, and i', is doubtful if inch progress wild ':e Glade du-,qing tile '`iar periods. ECOLOGIC`~ Deity FOR PhL.~OIiTOLOr.ISrtS It is recognized that many p=~contolo~r~ist,s :~ ho are i steno S:J ec1 in `-:aleo~cologica] studies need ~ greater kno:-~ecige of preset LIT ;>cc~loc!~.7. Such of the ecoloc>,ical -.;orl' that has been done arid is ~ei::lg choice .;~.~th li~r- iia~, o-r~ganis:~s '`-as only ~ very i.~.~c'.~rect '.ocari~:g on ~:aleo:?.~olo,~ica1 corks but other studies furnish much inf'or~nation that is or =~-,^eat value to paleonto1- o~is'cs. The -reports or the Cor.~,mxitee attempt to cite cu:~;:ei~t -:efe3:~enc~.;s of this kind, buff there is a very large amount off:' ecological dray retouch of' it published many years ago, ill journals arid other 'oiological oublicatio3as$ not seer by max~-r p2leontol0~,~sts. ~ systematic retried of this 1-'terature by biologists who are weld a-`,r~a~e off the type of "material use:: to paleol~tol- o~ists `,-;ould be very v7o-.th While. Burl ~vesti.~;a~:c`~ or this sort was first su`<,rgested bar Do. H. ]3. Ste.rlzel. The CorLrli~tee feels that it ';~ou3d be justified ii: initiating a second bibliographic program to co~:cer~tra-ue -the specialized dada needed fo-r paleoecoloP:~ca2 studies furor -Lhe volu~ili,~ous literature of biology. This `~-:ork will be started Ju-l^~-i<.: -:he -t'211 Hi' 1943. CULLS:-, Tl1 ACT ENTITIES `` o~ UI~IT:3D STATES Josiah Bridge of bye U. S. Geological ,~;:rve,; has 'beer Wylie out faurlal rela-i,iorls;hips Aid the Upper Cambrian of Tennessee. S~r,~lar s-~ud~es5 ,~.ade 3rl Mama in collaboration -~'it'n Preston I. Cloud and llorman . Benson, indicate that lateral intergradat.lons of l~thologic :,,~pes can be -reco~,niz`~d across the rA<ppalacl'~ian Valley. Interpretations and co~.~rela!~.ons based of: taxis evidence give a unified picture of depositional conditions in the Appalachia geosyncline. The stratigra?3hic secuence appears less complicat- ed than pre~r~ously supposed. P-rofessor ~v~arcu.s C. Old of Hofstra Colle,e, T,:er.~ps-Lead' ~Jov..e preset a. paper on Boring Sponges ads the Ace e': ins, of the ;\~t~oi~al S,lell~ish;~-~es `~s~ociatlon in Philadelphia, June 1942. IL1 this ca,ce-~ he summ=-^ized his observations and studies r.~ade, for the most pa'`~lJ, in Chcsapea' e 3cLy \1i6~! the support of the Chesa Deane Biological Laboratory at Solos Islail(~;; -rar~r~] adds as follows: "Orsterr.~en ions have reco;=rlized the conspicuous ~:el'o:-~ to orange :,xo:.~t'~s five the surface and in the shells of various mollusks Specially, o~rste-~. Sore seasons the incidence of infestation of shelf s in certa~-~ are<:s seemed rear ~ high and occasioi:al~ ~ A' he inane scats on a?~;:eared to Ye meat enough to cause vi-rtuaAly the destruction of every live oyster. Thus this bori.~.~ sponge came to be associated ~lr~it'`^ the sudden or grac3.t~al de Deletion of formerI,y prolific oyster beds and alo,¢.:lv there prose ~ 3~eal~zation of 'ye necessity of knov\~ing the boring spoke better. T7ne summer -work cling tile Ct~esapea'~e Biological Laboratory concentrated on the ta~:ono~y and distribution
