_Mola mola_, Very Early Larval Stage of Headfish, called _Centaurus boöps_. 143 _Mola mola_, Early Larval Stage called _Molacanthus nummularis_. 144 _Mola mola_, Advanced Larval Stage. 144 _Mola mola_, Headfish, Adult. 146 _Albula vulpes_, Transformation of Ladyfish from Larva to Young. 147 Development of the Horsehead-fish, _Selene vomer_. 148 _Salanx hyalocranius_, Ice-fish. 149 _Dallia pectoralis_, Alaska Blackfish. 149 _Ophiocephalus barca_, Snake-headed China-fish. 150 _Carassius auratus_, Monstrous Goldfish. 151 Jaws of _Nemichthys avocetta_. 156 _Cypsilurus californicus_, Flying-fish. 157 _Ammocrypta clara_, Sand-darter. 158 _Fierasfer acus_, Pearl-fish, issuing from a Holothurian. 159 _Gobiomorus gronovii_, Portuguese Man-of-war Fish. 160 Tide Pools of Misaki. 161 _Ptychocheilus oregonensis_, Squaw-fish. 162 _Ptychocheilus grandis_, Squaw-fish, Stranded as the Water Falls. 164 Larval Stages of _Platophrys podas_, a Flounder of the Mediterranean, showing Migration of Eye. 174 _Platophrys lunatus_, the Wide-eyed Flounder. 175 Young Flounder Just Hatched, with Symmetrical Eyes. 175 _Pseudopleuronectes americanus_, Larval Flounder. 176 _Pseudopleuronectes americanus_, Larval Flounder (more advanced stage). 176 Face View of Recently-hatched Flounder. 177 _Schilbeodes furiosus_, Mad-Tom. 179 _Emmydrichthys vulcanus_, Black Nohu or Poison-fish. 180 _Teuthis bahianus_, Brown Tang. 181 _Stephanolepis hispidus_, Common Filefish. 182 _Tetraodon meleagris._ 183 _Balistes carolinensis_, the Trigger-fish. 184 _Narcine brasiliensis_, Numbfish. 185 _Torpedo electricus_, Electric Catfish. 186 _Astroscopus guttatus_, Star-gazer. 187 _Æthoprora lucida_, Headlight-fish. 188 _Corynolophus reinhardti_, showing Luminous Bulb. 188 _Etmopterus lucifer._ 189 _Argyropelecus olfersi._ 190