XV111 



CONTENTS. 



Page 



Division II.— Zoophaga ... 218 



Family XI. — Canaliferidce - - - 219 



85. Cerithiura - - - 219 



86. Pleurotoma - - - 221 



87. Turbinella - - - 222 



88. Cancellaria - 223 



89. Fasciolaria - - - 223 



90. Fusus - 224 



91. Pyrula - - 224 



92. Struthiolaria - - - 226 



93. Ranella - - - - 227 



94. Murex - - - -227 



95. Triton - - - - 228 



Family XII. — Pteridce - 229 



96. Kostellaria ... 230 



97. Pteroceras - - - 231 



98. Strombus - - - - 232 



Family XIII. — PurpuridcB - 233 



99. Cassidaria - 234 



100. Oniscia - - - - 235 



101. Cassis - - - - 235 



102. Ricinula - - - 237 



103. Purpura - - - - 237 



104. Monoceras - - - 238 



105. Concholepas - - - 239 



106. Harpa - 239 



107. Dolium - - - - 241 



108. Buccinum - - - 242 



109. Nassa - 243 



110. Eburna - - - - 243 



111. Terebra - - - - 244 



