Shells collected at Santa Barbara by W. Newcomb, M.D., in January, 1867.

BY ROBERT E. C. STEARNS.

1. Pholadidea penita, Conr.
2. —— ovoidea, Gould.
3. Saxicava pholadis, Linn.
4. Platyodon cancellatum, Conr.
5. Cryptomya Californica, Conr.
6. Schizothærus Nuttalli, Conr.
7. Neæra pectinata, Carp.
8. Clidiophora punctata, Conr.
9. Thracia curta, Conr.
10. Lyonsia Californica, Conr.
11. Mytilimeria Nuttalli, Conr.
12. Solen sicarius, Gould.
13. Solecurtus Californianus, Conr.
14. Machæra patula, Dixon.
15. Sanguinolaria Nuttalli, Conr.
16. Macoma secta, Conr.
17. —— yoldiformis, Carp.
18. —— nasuta, Conr.
19. —— inconspicua, Br. & Sby.
20. Mera modesta, Carp.
21. Tellina Bodegensis, Hds.
22. Cooperella scintillæformis, Carp.
23. Semele decisa, Conr.
24. —— rupium, Sby.
25. Cumingia Californica, Conr.
26. Donax Californicus, Conr.
27. Standella planulata, Conr.
28. Amiantis callosa, Conr.
29. Pachydesma crassatelloides, Conr.
30. Psephis tantilla, Gould.
31. Chione succincta, Val.
32. Tapes staminea, Conr.
33. Saxidomus aratus, Gould.
34. Rupellaria lamellifera, Conr.
35. Petricola carditoides, Conr.
36. Chama exogyra, Conr.
37. Cardium quadragenarium, Conr.
38. Lazaria subquadrata, Carp.
39. Lucina Californica, Conr.
40. Diplodonta orbella, Gould.
41. Kellia Laperousii, Desh.
42. Mytilus Californianus, Conr.
43. Modiola capax, Conr.
44. —— recta, Conr.
45. Adula falcata, Gould.
46. —— stylina, Carp.
47. Pecten latiauritus, Conr.
48. Janira dentata, Sby.
49. Hinnites giganteus, Gray.
50. Ostrea lurida var. rufoides, Gould.
51. —— —— var. expansa, Carp.
52. Bulla nebulosa, Gould.
53. Haminea virescens, Sby.
54. Tornatina cerealis, Gould.
55. Dentalium hexagonum, Sby.
56. Mopalia muscosa, Gould.
57. —— —— ?
58. Acanthopleura scabra, Rve.
59. Ischnochiton Magdalensis, Hds.
60. Nacella insessa, Hds.
61. —— depicta, Hds.
62. —— paleacea, Gould.
63. —— vernalis, Dall (mss.)
64. Acmæa patina, Esch.
65. —— persona, Esch.
66. —— scabra, Nutt, Rve.
67. —— spectrum, Nutt, Rve.
68. Lottia gigantea, Gray.
69. Scurria mitra, Esch.
70. Rowellia radiata, Cooper.
71. Clypidella bimaculata, Dall (mss.)
72. Fissurella volcano, Rve.
73. Glyphis aspera, Esch.
74. Lucapina crenulata, Sby.
75. Haliotis Cracherodii, Leach.
76. Phasianella compta, Gould.
77. —— pulloides, Carp.
78. Pomaulax undosus, Wood.
79. Trochiscus Norrisii, Sby.
80. Chlorostoma funebrale, A. Ad.
81. —— aureotinctum, Fbs.
82. Calliostoma canaliculatum, Mart.
83. —— costatum, Mart.
84. Crepidula lingulata, Gould.
85. —— excavata, Brod.
86. —— navicelloides, Nutt.
87. —— —— var. nummaria, Gould.
88. —— —— var. explanata, Gould.
89. Hipponyx cranioides, Carp.
90. —— tumens, Carp.
91. —— serratus, Carp.
92. Serpulorbis squamigerus, Carp.
93. Turritella Cooperi, Carp.
94. Cerithidea sacrata, Gould.
95. Bittium filosum, Gould.
96. Litorina planaxis, Nutt.
97. —— scutulata, Gould.
98. Lacuna variegata, Carp.
99. —— unifasciata, Carp.
100. —— solidula, Loven.
101. Rissoa acutelirata, Carp.
102. Luponia spadicea, Gray.
103. Trivia Californica, Gray.
104. —— Solandri, Gray.
105. Erato vitellina, Hds.
106. Surcula Carpenteriana, Gabb.
107. Drillia inermis, Hds.
108. —— torosa, Carp.
109. —— mœsta, Carp.
110. Conus Californicus, Hds.
111. Odostomia sp.
112. Chemnitzia torquata, Gould.
113. Scalaria Indianorum, Carp.
114. —— subcoronata, Carp.
115. Cerithiopsis assimilata, C. B. Ad.
116. Lunatia Lewisii, Gould.
117. Ranella Californica, Hds.
118. Mitra maura, Swains.
119. Volvarina varia, Sby.
120. Olivella biplicata, Sby.
121. Nassa fossata, Gould.
122. —— perpinguis, Hds.
123. —— mendica, Gould.
124. —— Cooperi, Fbs.
125. —— tegula, Rve.
126. Amycla carinata, Hds.
127. —— tuberosa, Carp.
128. Amphissa corrugata, Rve.
129. Purpura crispata, Esch.
130. —— triserialis, Blve.
131. —— saxicola, Val.
132. Monoceros engonatum, Conr.
133. Ocinebra interfossa, Carp.
134. Cerastoma Nuttalli, Conr.
135. Muricidea Barbarensis, Gabb.

Dr. Newcomb also visited Santa Cruz Island, and collected the following species:

1. Waldheimia Grayi, Davidson.
2. Saxicava pholadis, Linn.
3. Semele decisa, Conr.
4. Acmæa scabra, Nutt.
5. Lottia gigantea, Gray.
6. Rowellia radiata, Cooper.
7. Haliotis Cracherodii, Leach.
8. —— corrugata, Gray.
9. Pomaulax undosus, Wood.
10. Trochiscus Norrisii, Sby.
11. Chlorostoma gallina, Fbs.
12. —— funebrale, A. Ad.
13. Chlorostoma aureotinctum, Fbs.
14. Trivia Californica, Gray.
15. Conus Californicus, Hds.
16. Amycla tuberosa, Carp.
17. Monoceros engonatum, Conr.
18. Cerastoma Nuttalli, Conr.
19. Muricidea incisus, Brod.
20. Trophon triangulatus, Carp.
21. Fusus ambustus, Gould.
22. Argonauta Argo, Linn.
23. Helix Ayresiana, Newc.