xx List of Illustrations 



PAGE 



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 



Psendopleuronectes americanus, Larval Flounder (more advanced stage) 176 



Face View of Recently-hatched Flounder 177 



Schilbiosus furiosus, Mad-Tom 1 79 



Emmydrichthys vulcanus, Black Nohu or Poison-fish 180 



Teuthis bahianus, Brown Tang 181 



Stephanolepis hispidus, Common Filefish 182 



Tetraodon meleagris 183 



Batistes carolinensis, the Trigger-fish 184 



Narcine brasiliensis, Numbfish 185 



Torpedo electricus, Electric Catfish 186 



Astroscopus guttatus, Star-gazer 187 



ALthoprora lucida, Headlight-fish 188 



Corynolophus reinhardti, showing Luminous Bulb 188 



Etmopterus lucijer 189 



Argyropelecus oljersi 190 



Luminous Organs and Lateral Line of Midshipman, Porichthys notatus. ....... 192 



Cross-section of Ventral Phosphorescent Organ of Midshipman, Porichthys 



notatus 193 



Section of Deeper Portion of Phosphorescent Organ, Porichthys notatus 194 



Leptecheneis naucrates, Sucking-fish or Pegador 197 



Caularchus m(zandricus,.C\ingfish 198 



Polistotrema stouti, Hagfish 199 



Pristis zysron, Indian Sawfish 200 



Pristiophorus japonicus, Saw-shark 201 



Skeleton of Pike, Esox lucius 203 



Skeleton of Red Rockfish, Sebastodes miniatus 214 



Skeleton of a Spiny-rayed Fish of the Tropics, Holacanthus ciliaris 214 



Skeleton of the Cowfish, Lactophrys tricornis 215 



Crystallias matsushima, Liparid 218 



Sebastichthys maliger, Yellow-backed Rockfish 218 



Myoxocephalus scorpius, European Sculpin 219 



Hemitripterus americanus, Sea-raven 220 



Cyclopterus lumpus, Lumpfish 220 



Psychrolutes paradoxus, Sleek Sculpin 221 



Pdllasina barbata, Agonoid-fish 221 



Amblyopsis spelceus, Blindfish of the Mammoth Cave 221 



Lucifuga subterranea, Blind Brotula 222 



Hypsypops rubicunda, Garibaldi 227 



Synanceia verrucosa, Gofu or Poison-fish 229 



Alticus saliens, Lizard-skipper. 230 



