284 



REPORT — 1856. 



Collected by Dr. Bigeloio at San Francisco. 

 Venus rigida, Gld. ?=Tapes diversa. Lottia scabra, Gld. (^spectrum, Niitt 



Cardiiim Nuttallii. Natica Leivisii, Gld. (operculum only). 



Mytilus Californianus, Conr. Purpura Conradi, Nutt. 



Collected by Mr. William P. Blake. 

 At San Francisco. 

 Mytilus edulis, or allied. 

 Lottia scabra, Gld. (^spectrum, Nutt.) 



At San Pedro. 

 Semele rubrotincta, Conr. 

 Tellina secta, Conr. 

 Taj}es gracilis, Gld. 

 Venus discors. Sow." =grata, Say=:sta- 



minea, Conr." 

 Venus Nuttallii, Conr. 

 Venus fluctifraga. 

 Lucina orhella, Gld. 

 Lottia patina, Esch. 

 Lottia scabra, Gld. 

 Scurria pallida, Gray=mitra, Brod. 

 Trochus mastus, Brod. 

 Calyptrcea hispida, Brod. 

 Crepidula incurva, Brod. 

 Oliva biplicata. 



At San Diego. 

 SphcBnia Californica, Conr. 

 Tellina vicina, C. B. Ad. 

 Tellina secta, Conr. 

 Solecurtus Californianus, Conr. 

 Petricolacarditoides,Conr. =:ey\mdriicea. 



Desk. 

 Venus fluctifraga. Sow. 

 Cardium cruentatum, Gld.* 

 Modiola capax, Conr. 

 Pecten "? purpuratus. 

 Pecten monotimeris, Conr. 

 Bulla nebulosa, Gld. 

 Bulla virescens, Gld. 

 Bulla longinqua, Gld.* 

 Bulla vesicida, Gld.* 

 Melampus olivaceus. 

 Phasianella compta, Gld.* 

 Potamis pullatus, Gld. 



* "Not yet from the press." Gould in litt. 



58. The latest conchological traveller who has visited the West N. American 

 province is Mr. T. Bridgesf ; who, in the spring of the present year, has 

 brought a collection from the Bay of Panama. Although he had no dredge, 

 and the district had been well explored, he succeeded in finding 24 new 

 species, besides others new to the fauna of the place. The new species are 

 described in the ' Proc. Zool. Soc' June 10th, 1856, pp. 159-166 ; and, with 

 a few others, interesting for their locality, are as follow : — 



Corbula ventricosa, Rve. 



? Scrobicularia producta, Cpr. 



? — — viridotincta, n. s. 



Tellina rhodora, Hani. 



fausta. 



Deshayesii, n. s. 



Strigilla disjuncta, n. s. 



Semele obliqua. Wood. 



planata, n. s. 



Cumingia trigonularis, var. 



Lyonsia diaphana, Cpr. 



Mactra (Mactrella) lacinata, n. s. 



elegans, jun. 



Cyclina producta, n. s. 



Lima angulata. Sow. 



Melampus Bridgesii, n. s. 



Umbrella ovalis, u. s. Moutli of the River 

 Chiriqui. Also found exactly in the 

 same place by a French naturalist. 



Pyrgula quadricostata, n. s. 



Erato ? Maugeria, var. Panamensis. 



Trochus {Ziziphinus) MacAndrem [B. M. 

 Maz. Cat. no. 290]. 



Hyj;)oni/a?p/awa^«s[B.M.Maz.Cat.no.348], 



Cithara sinuata, n. 

 Mangelia acuticostata, n. s. 



? striosa, C. B. Ad. 



? rigida, xax. fuscoligata. 



Clathurella intercalaris, n. s. 



serrata, n. s. 



Drillia punctatostriata, n. s. 

 ? Pleurotoma gracillima, n. s. 

 Scalaria regularis, n. s. 



tiara, n. s. 



subnodosa, u. s. 



Cumingii, n. s. 



Hindsii, n. s. 



Cirsotrema funiculata [B. M. Maz. Cat. 



no. 569]. 

 Natica excavata, n. s. 

 Polinices Gallapagosa, Rve. ?:=ovum. 

 Mitra solitaria, C. B. Ad. 

 ? Triton crebristriatus, n. s. 

 PJios biplicatus, n. s.' 

 Latyrus tumens, n. s. 

 Triton eximius, Rve.=parvus, C. B. Ad. 

 Anachis pygmcea,vai\, exactly resembling 



the W. Indian Col. costulata, C. B. Ad. 



t The Mammals and Birds brought by Mr. Bridges are described in Proc. Zool. Soc. 1856, 

 pp. 138-U3. 



