250 



REPORT — 1856. 



Freq. 



Other Localities. 



206 



207 

 690 

 691 



208 



209 

 210 



211 



212 



213 

 214 

 214* 



215 



216 

 217 



218 

 219 



Isognomon Janus, n. s. 



Peetinida. 



Pectencircularis, Sow 



-, sp. ind. (a) 



-, sp. ind. (J) 



Spondylidce. 

 Spondylus calcifer, n. s 



= S. Lamarckii, Hani. MS. 



— , sp. ind 



Plicatula penicillata, n. s 



= P. dubia, var. Sow. MS. 



Ostreadce. 



Ostrea iridescens, Gray 



? = O. spathulata, Lam. 

 ?=0. margaritacea, Lam. 

 ? = O. ceguatorialis, D'Orb. 

 ? = O. rufa, pars, Gld. 



— Virginica, Gmel 



? = O. ru/a, pars, Gld. 



— Columbiensis, Hani, .... 

 conchaphila, n. s 



— (?? , var.) palmula . 



Comp. O. Cumingiana. 



— , sp. ind 



/inomiadee. 

 Placunanomia pernoides, Gray . 

 ■= Tedinia pernoides, Gray. 



— foUata, Brad. 



-\-P.pectinata, teste Gray. 

 -\-P. echinata, teste Gray. 



— claviculata, n. s 



Anomia lampe, Gray 



221 

 222 



223 



224 

 225 

 226 

 227 

 228 

 229 



692 



Class PTEROPODA. 



Unknown. 



Class GASTEROPODA. 



Subclass Opisthobranchiata. 



Order Tectibranchiata. 



Cylichnid(s. 



Cylichna luticola, C. B. Ad 



Tornatina infrequens, C. B. Ad. 



} = Bulla gracilis, Mke. 



— carinata, n. s 



Bullid<B. 



BuUa Adamsi, Mke 



Pnebulosa, Gld 



Quoyii, Gray 



exarata, n. s 



, sp. ind 



Haminea cymbiformis, n. s 



Philinid(B. 

 Smaragdinella thecaphora, {Nutt.) n. 



2 



e. r. 



1 



V. r. 

 n. u. 

 e. r. 



e. r. 

 2 



2 

 V. r. 



n. c. 

 e. r. 

 e. r. 



2 



1 



1 



Guaymas. 



Panama. 



Bay of Fonseca. 



Senegal, Panama, Guacomayo. 



Atlantic, Panama. 



St. Elena. 



S.Diego.S.W.Mex., Pan.,W. Afr, 

 Upper California, S.W. Mexico. 



San Diego, Panama. 



Senegal, Panama. 



S.W. Mexico, Island of MuertC; 

 Guayaquil, West Indies. 



Monterey, La Paz,Pan.,Guayaq 



Panama. 

 Panama. 



Sta.Barb., SanDiego, Guayma 

 Galapagos. 



