XIV 



LIST OF ILLUSTRATIONS 



71-73. Marine Worms which commonly serve as food for fishes . . 124 



74. A Sand-star (C////«;-a «//'/V/rt) . . • 125 



75. A Brittle-star {Aiiiphittra filifoniiis) . ■ 125 

 76-81. Some examples of minute pelagic animals .... 127 



82. A luminous Shrimp (iVj'(y/>//(7;/o-) (after G. O. Sars) . . .129 



83. The gill-bars and gill-rakers of the Herring, the gill filaments which are 



attached to the outer sides of the gill-bars having been removed . 131 



84. Egg of the Herring, the embryo about half developed, alive, and magnified 158 



85. Larva of the Herring, newly hatched, alive and magnified . -159 



86. Egg of the Sprat, alive, magnified . . . .166 



87. Newly-hatched larva of the Sprat, alive, magnified . . 166 



88. Egg of the Pilchard, alive, and magnified . . . . .172 



89. Newly-hatched larva of the Pilchard, alive, and magnified . -173 



90. Larva of the Pilchard, nine days old, alive, magnified . . -173 



91. Larva of Pilchard at commencement of transformation, after preser- 



vation in spirit . . . . . . .174 



92. Older stage of Pilchard larva, after preservation . . .174 



93. Larva of the Twait Shad, nearly \ inch long (after Ehrenbaum) . .180 



94. Larva of the Twait Shad, % inch long (after Ehrenbaum) . . .180 



95. Egg of the Anchovy, alive, and magnified (after Wenckebach) . . 183 



96. Larva of the Anchovy, newly hatched, alive, and magnified (after 



Wenckebach) . . . . . . . .184 



97. Larva of the Smelt, \ inch long, 6 days old (after Ehrenbaum) . . 190 



98. Larva of Smelt, f inch long (after Ehrenbaum) .... 190 



99. Lepioicphahis Morrisii, the larva of the Conger (after Couch) . 204 



100-105. The two sides of the head in three different stages in a left-sided 

 young flat-fish in which the right eye passes through the head region 

 to reach the left side {Rhovihoidichtltys) (after Steenstrup) . . 212 



106. Larva of Plaice five days old, alive, and magnified . . .217 



107. Larva of Plaice in process of transformation, i inch long, alive, and 



magnified . . . . . . . .218 



108. Larva of the Witch or Pole Dab, two days old, alive, and magnified . 235 



109. Young Witch, a little over \% inch long, from a preserved specimen 



(after Holt) ......... 235 



no. Larva of Lemon Dab, or so-called Lemon Sole, two days old, alive, and 



magnified • ....... 239 



