LIST OF ILLUSTRATIONS XV 



PIGURE PAGE 



68. Xantho florida. Female, at home . . .161 



69. The Velvet Fiddler Crab . . . . .162 



70. Polybius Henslowii . . . 164 



71. Gorystes cassivelaunus . . . . 165 



72. Thia polita . . . . . .166 



73. Gonoplax angulata ... . . .167 



74. Maia squinado. Male . . . 170 



75. Maia squinado. Female, masking . . .170 



76. Pisa tetraodon. Male and Female . . .171 



77. Pisa tetraodon, masking . . 171 



78. Pisa Gibbsii . . . . . 172 



79. Stenorhynchus Egyptius . . . . 174 



80. Stenorhynchus Egyptius, masking . . .175 



81. Acheus cranchii, masking and denuded . . .175 



82. Inachus dorsettensis . . . . .177 



83. Nymphon gracilv . . . . , .179 



84. Types of Lamellibranchiata . . . .187 



85. Artificial Oyster Rearing ..... 193 



86. Types of Gastropoda . . . . .201 



87. Chiton discrepans ..... 202 



88. Purpura lapillus, and its Egg Cases . . . 208 



89. Nassa reticulata, and its Egg Cases . . . 209 



90. Aplysia punctata . . . . .211 



91. Doris tuberculata . . . . .213 



92. Eggs and Larvae of Doris . . . .215 



93. Octopus vulgaris . . . . . .217 



94. Mouth Parts of Octopus . . . . .219 



95. Octopus swimming ..... 223 



96. Sepiola rondettii ...... 225 



97. Beak of Sepia . . . . . .226 



98. Sepia officinalis ...... 227 



99. Tentacle and Suckers of Sepia .... 228 



100. Botryllus morio . . . . . .236 



101. Botryllus schlosseri . . . . .237 



102. Anatomy of Ascidian, and its larva . . . 239 



103. Ciona intestinalis ..... 245 



104. Diagram of Amphioxus ..... 246 



105. Group of Smooth Blennies, at home . . . 249 



