ON MOLLUSCA OF THE WEST COAST OF NORTH AMERICA. 275 



No. of 

 Speci- 

 mens. 



Other Localities. 



Sentina,Tpicia,,Sow.{nonHosninff.) 



[N.B. Lieut. Green's specimens 



quoted from San Miguel as 



of extraordinary size, are pro 



bably N. cassiculum, Sow.] 



Pedipes angulata, n. s 



Auricula acuta, B'Orb 



=Marinula Recluziana, Cum 



MS. 

 — concinna, n. s , 



strictly marine : sticks 

 and stones in grov^, 

 ^-t. + : dirty places 

 on rocks, i-t. — . 



under stones, h. w. 

 under stones, h. w. 



— ■ infrequens, n. s. 

 — Panamensis, n. s. 



— stagnalis, B'Orb. 



-\-papUlifera, Kust. 



Tabogensis, n. s. 



- trilineata, n. s 



-. sp 



Truncatella Balrdiana, n. s. 



on short mangrove 



suckers, h.w. 



under stones, h. w, 



U.S., h. w., or crawling 



over vyet stones, 

 under heap of stones, 



above h. w. 



on and under stones 



and rocks, h. w. 



3 ?? dubiosa, n. s.(?Assiminea) 



; l' Bulla (Tornatina) infrequens, n.s, 



i| (Cylichna) luticola, n. s, 



punctulata. Ad. 



—punctata, Ad. 



Z — 'SP 



V ermetus glomeratus, (quasi) 

 Lam. pars. 



[ = Aletes ? eentiquadrus, Val.] 



Panamensis, Rouss 



Stomatella inflata (? Sigaretus)... 



Hipponyx, sp. (.' subrufa) 



.'barbata 



Comp. Pileopsis pilosus, Desh. 

 Guer. Mag. 1832, pi. 19. 

 Panamensis, nom. prov. 



[ = antiquatus, Linn.] 



radiata, Sow. (non Quoy, 



nee Lam.) 



[_= Grayanus, Mke.] 

 Calyptraea aberrans, n. s 



[? = Crep. unguiformis, var.] 



— (Syphopatella) aspersa, n. s. 

 \_= Galerus.'] 



^ cepacea, Brod. 



— covica., Brod. 



— ditntaia., Mke 



=rugosa, Rve. non Desh. 



" ;[= Crucibulum imbricatum,'vax.'\ 



•3- (Calypeopsis)hispida,firorf. 



j , [= Cruc. spinosum, pars.] 



P irabricata, Brod. 



W maculata, firod. (non Quoy) 



[=Cruc. spinosum, pars.] 



•■ planulata, n. s 



- radiata, Brod. 



under stones, h. w. 

 under heap of stones 



h. w. s. 

 under heap of stones, 



h. w. s. 



on liquid mud, 1. -w. 



rocks & stones, l.w. n. 



attached by end of 



spiral portion, 

 rocks & stones, l.w. n. 



stones and shells, 1. w. 



stones and shells, 1. w 

 stones, 1. w. 



under stones, 1. w. 

 dead shells, 1. w. 



under stones, 1. w. 



on oyster, J-t. — 



290 



90 

 3 



74 



6 

 650 



36 



800 



1 



2 



400 



550 



2 



28 

 25 



1 



25+ 



10+ 

 1 

 2 

 12 



14 

 16 



1 



3 



4 

 12 

 8 



20 



2 

 2 



1 

 10 



Pan., on mud-bank partially overflowed 

 with fresh water, Cum. 



Guayaq., near brackish water, Fontaine. 



Guayaquil, marsh and even fresh water. 

 Font. ; I. Tumaca, Cum. MS. 



Acap., Jewett ; sandy mud, 10 fm., Cum 



attached by one side of all the whirls. 

 Coral reefs, Toubouai, Soc. Is., Cum. 



Lobos Ts., on stones in coarse sand 



17 fm.. Cum. 

 Panama, Galapagos, on rocks, Cum. 



sandy mud, 11 fm.. Is. Muerte, Cum. 

 Xipix., SaL, ou shells, deep water, Cum. 



Is. Muerte, on dead shells, sandy mud, 



12 fm., Cum. [J)' Orb. 



on St., sdy. md., 6-10 fra., Cum. ; Payta, 



Is. Muerte, on dead shells, in sandy 



mud, 11 fm., Cum. 



Caraccas, sdy. mud on dead shells, 7-14j 

 fm., Cum. 



t2 



