284 



REPORT — 1856. 



Collected by Dr. Bigelow at San Francisco. 

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



Cardium Nuttallii. Natica Lewisii, 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. 

 Tapes gracilis, Gld. 

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



minea, Conr." 

 Venus Nuttallii, Conr. 

 Venus jiuctifraga. 

 Lucina orbella, Gld. 

 Lottia patina, Esch. 

 Lottia scabra, Gld. 

 •Scurria pallida, Gray=mitra, Brod. 

 Trochus mozstus, Brod. 

 Calyptrcea hispida, Brod. 

 Crepidula incurva, Brod. 

 Oliva biplicata. 



At San Diego. 

 Sphcenia Californica, Com*. 

 Tellina vicina, C. B. Ad. 

 Tellina secta, Conr. 

 Solecurtus Californianus, Conr. 

 Petricola carditoides,Conr.=c\Ymdriicea, 



Desk. 

 Venus Jiuctifraga, Sow. 

 Cardium cruentatum, Gld.* 

 Modiola capax, Conr. 

 Pecten tpurpuratus. 

 Pecten monotimeris, Conr. 

 Bulla nebulosa, Gld. 

 Bulla virescens, Gld. 

 Bulla longinqua, Gld.* 

 Bulla vesicula, Gld.* 

 Melampus olivaceus. 

 Phasianella compta, Gld.* 

 Pot amis 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. Bridges-)- ; 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 disjunct a, 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, n. s. Mouth of the River 

 Chiriqui. Also found exactly in the 

 same place by a French naturalist. 



Pyrgula quadricostata, n. s. 



Erato ? Maugeriee, var. Panamensis. 



Trochus {Ziziphinus) MacAndrece [B. M. 

 Maz. Cat. no. 290], 



/ Ttpponyx j9/«ft«/Ms[B.M.Maz.Cat..no..348]. 



Cithara sinuata, n. s. 

 Mangelia acuticostata, n. s. 



? striosa, C. B. Ad. 



■ ? rigida, xox.fuscoligata. 



Clathurella intercalaris, n. s. 



serrata, n. s. 



Drillia punctatostriata, n. s. 

 ? Pleurotoma gracillima, n. s. 

 Scalaria regularis, n. s. 



tiara, n. s. 



subnodosa, n. 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. 

 Phos biplicatus, n. s. 

 Latyrus tumens, n. s. 

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

 Anachis pygnuca.Miv., exactly resembling 



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



t The Mammals and Birds brought hv Mr. Bridges arc described in Proc. Zool. Soc. 185G. 

 pp. 138-U3. 



