68 THE NAUTILUS. 



59. Nerita tessellata Gmel. 



60. Nerita peloronta Linn. 



61. Nerita versicolor Gmel. 



62. Neritina virginea Linn. St. Thomas. 



63. Phasianella (Tricolia) umbilicata D'Orb. St. Thomas. 



64. Astralium (Lithpoma) tuber Linn. 



65. Astralium brevispina Lam. St. Thomas. 



66. Livona pica Limi. 



67. Chlorostoraa maculostriatum C. B. Ad. St. Thomas. 



68. Chlorostoma scalare Anton. St. Kitts. 



69. Chlorostoma fasciatum Born. St. Kitts. 



70. Chlorostoma excavatum Lam. 



71. Chlorostoma sp. St. Kitts. 



72. Fissurella (Cremides) nimbosa Linn. 



73. Fissurella (Cremides) nodosa Bom. 



74. Fissurella (Cremides) barbadensis Gmel. 



75. Glyphis listeri d'Orb. St. Thomas. 



76. Glyphis alternata Say. 



77. Subemarginula octoradiata Gmel. St. Thomas. 



78. Acmaea cubensis Rve. Barbados. 



79. Acmgea candeana d'orb. St. Kitts. 



80. Acmjea punctulata Lam. St. Thomas. 



81. Lepidopleurus pectinatus Say. Barbados. 



82. Lepidopleurus prod actus Rve. St. Thomas. 



83. Lophyrus marmoratus Chem. 



84. Lophyrus squamosus Linn, and vars. 



85. Lophyrus fasciatus Wood. 



86. Lophyrus assimilis Rve. 



87. Lophyrus ? viridis Spengl. St. Thomas. 



88. Acanthopleura piceus Gmel. 



89. Atlanta peronii Les. Surface "N". A. Ocean. 



90. Oxygyrus keraudrenii Rang. Surface ?s. A. Ocean. 



91. Bulla striata Brug. St. Thomas. 



92. Aplysia sp. St. Thomas. 



93. Aplysia sp. St. Thomas. 



94. Streptaxis deformis Fer. Bridgetown. 



95. Hyalinia incisa Pfr. St. Kitts. 



96. Hyalinia indentatus Say. Pensacola, Fla. 



97. Helix (]\Iicrophysa) vertex Pfr. St. Thomas. 



98. Helix (Microphysa) subaquila Shuttl. Barbados. 



