ON TIIK ( UNfoUDANCK OK MOLMJSC'V. 



rjfi-) 



ho klnd- 



idcsr till! 

 , of Yale 



to llic 

 w, uiuUt 



lOasteru 

 fO spciiics 

 ,0 coi\sist 

 raaviiio) ; 

 t on ilio 

 .ndiird of 

 pocii-'S, of 

 r sjtc'cies, 

 M) spefios 

 ,or Verrill 

 ulf of Si. 

 lo relative 

 increaseii, 

 I'opovtioiis 

 if tlio ;5G0 

 )v :{'.,» (out 

 jiTiier case 



1 produced 

 cuonnt for 



liiid thus 

 u'v^ht Inivs 

 tiiafc most 

 jtic seas by 

 judor 1'roiu 

 uatorial or 

 [tion to tlie 



I had not 

 lericau and 

 . conceded 

 ■itli regard 

 tibove coin- 

 species of 

 Inhabitants 

 [which DOW 



^sor Verrill 

 Ll complete 

 knany j'cais 

 [is made on 

 qnally im- 

 [during tlic 

 jornments; 

 [irseol'pub- 

 [ Society of 



and rorciipi'nc I'lxpeditions, will show tho distrihiition of many sp(!cies of 

 such (leep-\va^c!r ilollu.sca on each sido of tho North Atlantic, and inoro 

 will follow. To givo somo idea of tho concordance in this distribution, 

 I will hero give a comparative list of oo nearly all dcop-sea species which 

 Professor Verrill most obligingly sent mo in September liS82, with my 

 remarks. 



Kuro- 

 l>ctta 



K. 



K. 



E. 



Xnnicg of ypc'ciu!* 



IEl'Iidu'Us 



rccti-n vitrcus (Gniol.), Wood. N'n. lOL".i; ' Picten vitreiis, ('Iiciuiiitz. 



l.-.S fins. ! 



Amussium fcncstratiiiii CI'"), Jcirrcys 

 No. '.)1'.»; 100 fills. 



IiiinieiiHubovat;i,Joirri'ys.No.l)'.t7;;!-5.'5fiiiH. 

 buda uiica, tioiilil. No. 871 ; ll."> fm.s. 



Area pcctiiuculoidt's ; Mir. soptenfrioniiliy, 

 Sars. Xo. 1)58; :il() lins. 

 K. I liiiiioiKsis niimita (I'liil.). No. Sit;") ; L'I!S 



I'lll.S. 



Cryptodon obosus, \. No. 1)18; 1." fiuH. 



E. 



.\mu.>.sium fi'ii('.<il latiiiii, l''orbo.s. 



S(Miliitiire of Aiiu'rioaii .^jH'ci- 



iiH'Ks tiiicr anil elosiT. 

 lihua siilidvata, Ji^irroys. 

 Lt'd.ifrauili.s.Cliciun. Larj^er tliau 



JOiiropcan .speeimciis. 

 Area iioctunc'uloidoa, Scacclii ; 



var. .septciitrioii.'vlis. 

 Liniopsis miiiut.i, riiilijipi. 



Aximis llexuDsiis. Montaf^u, var. 

 p(jl3'j,'()na ( '. liiplicatu.s (after- 

 wards .sinnatiis), I'liilifjpi. 



Axiiuis ferrugiiiosus, Forljus. 



C'rvi.toilon l'orruf,Mii(isuiii, Fdrlu's. Xo. Iil7; 



'm-J fms. 

 Loripes lens, V. i.<c S. No. 87Ii ; 100 fms. 

 .\start(' creiiata, (iray, (A. lens. St. var.) 



No. 8t»8 ; ;i00 fms.' 

 I'oromya fjfraniilata (Xvst) l'\ & 11. No. 

 !)4't; 100 fms. 

 K. ! Lvoiisic'lla abyssicola, S.nrs. No. 'J 17; 



j "312 fms. 

 E. 1 Noicra glacialis, (J. (). Sars. Xo. 8!)1 ; 



:iG-) fms. I 



E. Nea-ra glaeialis, G. (). Sars. Xo. 91)8; j Xesura olicsa.Lov. ; vai 



302 fms. ! 



E. I Xoiura multico.stala, V. \; S. Xo. 1038 ; 

 j IK) fms. 



j Xciera rostrata (Spongier), Loven. Xo. 

 ! 919 : 100 fms. 



' Dentalium oceiilontalo, Stimps. ( = D. 

 j abyssoruni, Sars). No. 102."i ; 216 fms. 

 I Dentalium (slontier varii.'ty). No. 892 ; 

 [ 487 fms. 



I C'adulus I'auilionis, V. (Sc S. No. 87G ; 

 ' 120 fms. 

 E. j Lepetclla tuliicola, V. >t S. Nd. 891; 

 3()5 fms, 

 Margarita rogalis, V. x S. No. 892; 



•187 fms. 

 Calliostoma Itairdli, V. ^'^i S. Xo. 807; | Allied to Troclius zizyphinu.'s, L., 



E. 

 E. 

 B. 

 E. 



E. 



I,ori])cs laeteiis, Liiino. 

 Astarto crenatii, <iray. 



roromya ^ranulata, Nyst vt Wes- 



teudorlV. 

 reeehiolia abyssicola, M. Sars. 



Xeicra obesa, Lovon ; vai-. 



Xca;ra striata, JolTr. 



Ncicra rostrata, Spengler. 



D.striolatum, Stimps. ; a strongly 



marked variety. 

 Young of last speeios. 



Cadulus Olivi, Sca(jclii. 



Also Norwegian ;uid Western 



coasts of Africa. 

 Trocbus Ottoi, Pliilippi. 



6-1 fms. 



E. Cingula Jan-Mayeni (Frielo). Xo. 894 ; 

 3()i"j fms. 



E. Scalaria Dalliana, V. J^: S. No. 919; 



100 fms. 



K. I Turbonilla Rathbunii, V. .V. S. No. 995 ; 

 I 3.")8 fms. 



but unknown to nio as Euro- 

 pean, 



llissoa Jan-Mayi'iii, Fr., Spitz- 

 bergeii, Jan iMayen I., and 

 Greenland. Sculpture variable. 



Scalaria clathratula, Turton. 



Apparently a large form of 

 Odostomia rufn. I'li. 



