282 



REPORT — 1856. 



the local-fauna of Acapulco, makes it probable that it came from that place ; 

 but it is cited in the B. M. Mazatlan Catalogue as " S.W. Mexico." 



1. Solecurtusviolascens, n.s. B.M.Maz. 



Cat. p. 27, note. 1 paii\ 



2. Tellina princeps. Fine : 1 val....S.* 



3. Tellina rubeseens. 1 pr P. 



4. Mactra elegans. 1 pr P. 



5. Mactra angulata. 1 pr P. M. 



6. Dosinia Dunkeri. 1 pr P. M. 



7. Dione aurantiaca. 1 val.,fine...P. M. 



8. Dione chioneea. Iv P.M. 



9. Venus amatkusia. 1 pr P. M. 



10. Venus Columbiensis. 1 val. ...P. M. 



11. Tapes grata. 1 pr P.M. 



12. Anomalocardia subrugosa. Iv. P.M. 



13. Anomalocardia suhimhricata. Valves, 



common S. M. 



14. Cardita affinis. 1 pr P. 



15. Chama frondosa. 1 v P. 



16. Cardium procerum. Rare. ...P. M. 



17. Cardiumconsors. 1 v. (Guatemala), S. 



18. Cardium maculatum. Iv S. 



19. Lucina tigerrina. 1 fresh val M. 



20. Modiola capax. 1 v M. C. 



21. Mytilus palliopunctatus. Rare....M. 



22. Area Pacifica. 1 pair P.M. 



23. Pinna "Orudis. Extremely thick and 



large valves P. M. 



24. Margaritiphorafimbriata. Common. 



P.M. 



25. Pecten ventricosus. (Colouring ex- 



tremely variable.) Valves, com- 

 mon ? S. P. 



26. Pecten ? senatorius. (China Seas. 



Perhaps an allied sp.) 2 fresh pairs. 



27. Ostreaconchaphila.Ysilves. P.M.C. 



28. Ostrea palmula. 1 pair M. C. 



29. Placunanomiafoliata. 1 fresh valve. 



M. 



30. Bulla Adamsi. Rare M. 



31. Siphonaria gigas + characteristica. 



Common P. 



32. Patella discors. Common M. 



33. Acmeea scabra. 1 sp M. C. 



34. Acmeea grandis. Gray. Common. C. 



35. Fissurella nigropunctata. Com... P. 



36. Uoanilla olivacea. Rare M. 



37. Uvanilla unguis. Common M. 



38. Pomaulaxundosus. Fresh opercula.C. 



39. Callopoma saxosum. Rare P. 



40. Tegula pellis-serpientis = strigilatus, 



Anton. Not uncommon P. 



41. Nerita scabriuscula. Large and 



common P. M. 



42. Nerita Bernhardi. Abundant. P.M. 



43. Crepidula aculeata. 1 sp. S. P. M. 



44. Crepidula lunguiformis. 1 sp. P.M. 



49. 

 50. 



51. 

 52. 

 53. 



Crepidula arenata. 1 sp S. 



Galerus conicus. 1 sp S. P. M^ 



Galerasmammillaris. 1 sp. . . . S. P. M. 



Crucibulum umbrella, Desh. = ru- 

 dis, Brod. Common, fine, and very 

 variable P . 



Crucibulum spinosum. Isp. S. P.M.C. 



Hipponyx Grayanus. On Pinnm. 



Aletes Peronii. 1 sp. 

 Turritella goniostoma. 

 CeritJiium maculosum. 



54. Cerithium stercus-muscarum. 



P.M. 



P. M. 



P....S.M. 

 Common. 



P.M. 



Rare. 



P.M. 



P.M. 



P.M. 



55. Cerithium famelicum. 1 sp. 



56. Cerithium uncinatum. Rare. 



57. Cypraa exanthema, var. cervinetta. 



Common P.M. 



58. CyprcBa arabicula. Very common. 



S. P. M. 



59. Trivia pustulata. Rare S. P. M. 



60. Trivia radians. 1 sp S. P. M. 



61. Strombus galea. Isp P.M. 



62. Strombus granulatus. Common. S. 



P.M. 



63. Strombus gracilior. Rare . . . S. P. M. 



64. Terebra robusta. 1 sp P. 



65. Pleurotoma funiculata. 1 sp. ...M. 



66. Drillia rudis. 1 sp S. P. M. 



67. Conns r eg alitatis. Very rare. P.M. 



68. Conus Mahogani. Isp P. 



69. Conus gladiator. Isp P.M. 



70. Natica maroccana and vars. Abun- 



dant P. M. 



71. Natica excavata. Very rare P. 



72. Polinices uber. Rare S. P. M. 



73. Polinices{Galapagosal=)otis. Very 



rare P. 



74. Ficula decussata. Rare P. M. 



75. Marginellapru7iumf. Very rare. P. 



76. Oniscia tuberculata. Rare P. 



77 ■ Cassis coarctata. Rare P. 



78. Malea ringens. Isp S. P. 



79. Oliva porphyria. 1 sp., fine P. 



80. Oliva cruenta (Tahiti. ? imported). 



1 dead shell. 



81. Olivella volutella. Vei-y common. P. 



82. Aragonia testacea. Common. P. M. 



83. Lafyrus concentricus, Rve. Rare. P. 



84. Latyrus castanetis, Rve. Rare. P. 



85. Latyrus tuberculatus,BroA. Rare. P. 



86. Cuma tectum. Isp P. 



87. Vitularia salebrosa (fresh, with 



operc). 1 sp P. M. 



* S. South America. P. Panama. M. Mazatlan. C. California. 



f Both this species and M. sapotilla, Hds., are quoted from the West Coast. 



