17. Tapes diversa, Sby. 



18. Rupelluria lamellifera, Oonr. 



19. Petricola carditoides, Conr. 



20. Lazaria subquadrata, Cpr. 



21. Kellia Laperousii, Desh. 



22. Mytilus Califoruianus, Conr. 



23. edulis, Linn. 



24. Modiola fornicata, Gld. 



25. Adula i'alcata, Gld. 



26. stylina, Cpr. 



27. Hinnites giganteus, Gray. 



28. Placunanomia niacroschisma,Desh 



29. Doris albopunctata, Cooper. 



30. Cryptocbiton Stelleri, Midd 



31. Katberina tunicata, Wood. 



32. Tonicia lineala, Wood. 



33. Mopalia niuscosa, Gld. 



34. Hindsii, Gray. 



3.5. lignosd, Gld. 



36. Acanthopleiira scabra, Eve. 



37. Nacella vernalis, Dall (mss.) 



38. iiistabilis, Gld. 



39. Acma^a patina, Escb. 



40. pelta. Escb. 



41. Asnii, Midd. 



42. persona, Escb. 



43. spectrum, Nutt. 



44. Lottia gigantea, Gray. 



45. Scurria mitra, Escb. 



46. Glyphis aspera, Escb. 



47. Clypidella calloniarginata, Cpr. 

 48. biniaculata, Dall (mss.) 



49. Haliotis Cracberodii, Leacb. 



50. rufescens, Swains. 



51. Cblorostoma I'uneljrale, A. Ad. 



52. brunneum, Pbil. 



53. Pfeifferi, Pbil. 



54. 

 55. 

 56. 

 57. 

 58. 

 59. 

 60. 

 61. 

 62. 

 63. 

 64. 

 65. 

 66. 

 67. 

 68. 

 69. 

 70. 

 71. 

 72. 

 73. 

 74. 

 75. 

 76. 



79. 



80. 

 81. 



82. 



83. 

 84. 

 85. 

 86. 

 87. 

 88. 

 89. 



Calliostoma caiialiculatum, Mart. 



costatum, Mart. 



Margarita pupilla, Gould. 

 Crepidula adunca, Sby. 



navicelloides, Nutt. 



var. nummaria, Gld. 



var. explanata, Gld. 



Hipponyx cranioides, Cpr. 

 Litorina planaxis, Nutt. 



scutulata, Gld. 



Lacuna porrecta, Cpr. 



unifasciata, Cpr. 



Isapis obtusa, Cpr. 

 Erato vitellina, Hinds. 

 Drillia torosa, Cpr. 

 Scalaria Indianorum, Cpr. 



subcoronata, Cpr. 



Opalia borealis. Gld. 

 Velutina prolongata, Cpr. 

 Olivella biplicata, Sby. 



intorta, Cpr. 



Nassa fossata, Gld. 



perpinguis, Hds. ? 



■ nieudica, Gld. 



Amycla gausapata, Gld. 

 Ampbissa corrugata, Rve. 

 Purpura crispata, Cbem. 



var. septentrionalis, Rve. 



Purpura saxicola, var. ostrina, 



Gld. 

 Monoceros engonatum, Conr. 

 Ocinebra lurida, Midd. 



var aspera, Baird. 



var. munda, Cpr. 



interfossa, Cpr. 



Cerostoma foliatum. 

 Octopus (n. s. ?) 



Navea Newcombii, alive in Haliotis Cmcherodii. Nos. 4, 5, 6, 25, and 26 

 alive in soft shale between tide marks. Doris albopunctata, two specimens alive 

 on rocks near low water mark. Of tbe Cbitons, Nos. 31 and 36, particularly 

 abundant ; of tbe others named several specimens obtained, also one or two spe- 

 cies undetermined. 41, common, alive, on Chlorosloma funebrale. 45 and 46, 

 several living specimens between tide marks. 47 and 48, I think, are distinct 

 species ; suggest Lucapina, but foramen nearly twice as large as in shells of 

 the latter of same size, difl'ering also in sculpture and weight of shell. 49, ani- 



