342 WEST AMFKICAN MOl.H'SKS STKARNS. 



not lu'iird of its bciiiii' t(tll«'(t('(l since. In Mr. I'^ishci's notes lie says 

 tlnit the Aplysiii like aninnil |)releis "(Inik ]>laces in ]»()(»ls left by tlio 

 tide." 



The shell is inteinal, I riani^nlar, hatehet-shaped, with a enix'ed and 

 callous nuelens or apex; ontiro shell hard and calcaieons /r/u;/ r^*//^//; 

 wluMi younii' move or less membranaceous and llexible. Thou.^h several 

 exanii)les oCtlie above, soft])arts and all, were obtained, I was unable 

 to get an entire specimen tor investiiiation. Mr. Fisher, who made 

 jio drawiuiis at the time of collectiuji', informed nu> that the animal was 

 of the sanu' gen»'ral form that authors have <iiveu of Ai)lysia,* the 

 color of the Fisher iinlividuals beiui;' a dark brown and the surface 

 covered Mith wartlike pai)illa'. In the matter of the color this species 

 ]»rol»ably varies as do iiulividnals ol" the others. 



The various tbrms lu'retofore described are principally inliabitants of 

 the Indo racilic lu'ovince, and the Mediterranean rcijion is alsoeri'ilited 

 with a representative of this gTOup. 



The shell of i>. (•<(Ii/or)nea is in outline very nuu-h like that of />. 

 h'inniihii Cuvier=7>. ,sc(q>i(I(i, Martyn, 



The nuclear callosity varies HU)re or h'ss in ditVen'ut speeimeus. 



Family ONCHIDID.E. 



(Jeiuis ONCHIDELLA (irny. 



Onchidella Biimeyi Stcarus. 



I'lat.- 1.. Fi,i;s. 1. 2. 



^ (>H(7i (■</(//(( Cnrpiiiltri ninmy. Stonnis. I'roc. Acml. Nat. Scicncfs IMiila., 1878, PI. 



vin. Figs. 7, 8. 

 = 0»vhi<hUtt I'arpnitiri \Muuv\. Tliinl sn]ipliiiifiit to vol. V, air-lirfathiiij;- iiiolhisks 



of tlui V. S.. vol. MX. Uiill. .Mils. Colli]!, /o.ilogy, Caiiiluiilgo, Tl. vi, Figs. D and 



E, p. 1'14. 

 not (huh id him ('(irpciitcri Wnnwy . I'roc. .\c. Nat. Sc. I'liila.. ISliO, 151; L. A: F. \V. 



Sli. ofN. A., i, :W7-:W8, Fig. r.ll 08t!8) nor 

 Ouchiihlht ('(irpeiitcri Hiuney, Manual Am. l.aiul Slulls, lUill.lin L'S. F. S. Nat. Miis., 



1885, i». KW, Fig. 150. 

 OnridivUa? ('arpciileri W. G. lUnnoy, Fiscln r ami Cro.s.so. Mis.sion .Scifiitilit|iic an 



Mc>\i(|m' I't dans FAim riqiu* C't'iilral. 

 Several examples (INIus. No. 58824). San Francisiiuita Bay, Los 

 Animas Hay, ;>nd .Vngeles T.ay in the (iulf of ('alitV)rnia. 



The form listed herein \v;is collected by Mr. W. ,1. Fisher at the 

 l»laces indicated; all of the specinuMis were liviui:. .V descrii)tion with 

 tigures was published by me in the Proeeedings of the Philadelphia 

 Academy in 1878. Mr. l>imiey's Oncliidium Carpoiicri was the only 

 form of the family that liad been credited to the Gulf region; without 

 looking into the matter suHieiently, 1 assumed that ]Mr. Fisher's sjjeei- 

 meu8 bek^uged to Mr. Binney's species. 



* Sco Woodwanl's Manual, 'Jd iMF.p. '.V2l. 



