ACADEMY OF NATURAL SCIENCES. 385 



34. Tonicia submarmorea, Midd. ; Fort Simpson. 



35. Mopalia muscosa, Gould ; Vancouver Island. 



36. Mopalia Wossnessenskii, Midd. ; Fort Simpson. 



37. Mopalia Merckii, Midd. ; Fort Simpson. 



38. Acma-a patina, Esch. ; Fort Simpson, Kodiak, Ounalaska, Sitka. 



39. Acmaea pelta, Esch. ; Sitka, Kodiak, Ounalaska. 



40. Scurria mitra, Esch. ; Sitka. 



41. Glyphis aspera, Esch. ; Sitka. 



42. Ealiotis Kamsehatkana, Jonas ; Sitka. 



43. Calliostoma costatum, Mart. ; Sitka. 



44. Margarita pupilla, Gould ; Ft. Simpson, Bella Bella, Sitka, Ounalaska. 



45. Margarita helicina, Mont. ; Ounalaska. 



46. Phorcus pulligo, Mart. ; Sitka. 



47. Crepidula navicelloides, Nutt. ; Bella Bella. 



48. Crepidula grandis, Midd. ; Captain's Harbor, Kodiak, Ounalaska. 



49. Bittium filosum, Gould; Ft. Simpson, Carter's Bay, Bella Bella, Sitka. 



50. Littorina scutulata, Gould ; Sitka. 



51. Littorina Sitkana, Phil.; Chatham S'nd, Carter's Bay, Bella Bella, Sitka, Kodiak . 



52. Lacuna solidula, Loven. ; Ounalaska. 



53. Isapis fenestrata, Cpr. ; Ounalaska. 



54. Trichotropis cancellata, Hds. ; Fort Simpson, Sitka. 



55. Natiea clausa, Brod. & Sby. ; Ft. Simpson, Kodiak, Ounalaska. 



56. Lunatia pallida, Brod. & Sby. ; Captain's Harbor, Ounalaska. 



57. Priene Oregonensis, Redf. ; Ounalaska. 



58. Olivella boetica, Cpr. ; Sitka. 



59. Nassa mendica, Gould ; Sitka. • 



60. Amycla gausapata, Gould ; Ft. Simpson. 



61. Amphissa corrugata, Rve. ; Ft. Simpson, Carter's Bay. 



62. Purpura crispata, Chern. ; Fort Simpson, Bella Bella, Lawson's Harbor, 



Carter's Bay, Sitka. 

 63: Purpura canaliculata, Duel. ; Chatham Sound, Carter's Bay, Bella Bella, 

 Sitka, Kodiak, Spruce Isl., Ounalaska. 



64. Purpura saxicola, Val. ; Ounalaska. 



65. Purpura saxicola var. fuscata, Fbs. ; Fort Simpson, Carter's Bay, Bella Bella, 



Sitka, 



66. Ocinebra interfossa, Cpr. ; Carter's Bay, Bella Bella, Sitka. 



67. Cerastoma foliatum, Gmel. ; Bella Bella, Sitka. 



68. Trophon multicostatus, Esch. ; Ounalaska. 



69. Trophon orpheus, Gould ; Sitka. 



70. Chrvsodomus dirus, Rve. ; Chatham Sound, Ft. Simpson, Carter's Bay, 



Bella Bella, Sitka. 



71. Chrvsodomus liratus, Mart. ; Chilchat, Kodiak, Ounalaska. 



72. Buccinum glaciale, Linn. ;' Ounalaska. 



73. Buccinum polare, Gray ; Captain's Harbor, Ounalaska. 



74. *Buccinum cyaneum, Brug. ; Kodiak. 



75. Volutharpa ampullacea, Midd. ; Fort Simpson, Bella Bella, Sitka, Kodiak, 



Ounalaska. 



* In a note from Dr. Stimpson, he remarks in reference to this species : it " has not, as far 

 as I am aware, as yet been reported from the Facitic." 



