.208 



THE STORY OF FISH LIFE. 



Gurnards, colours of, 71. 



, , flying, fins of, 62. 



H. 



Haddock, sexual difference 



in, 100. 

 Hag-fish, affinities of, 194. 



,, parasitism of, 196. 

 Halibut, number eggs of, 113. 

 origin, flat shape of, 



133. 



Half -beak, jaws of, 89. 

 Head, skeleton of, 46. 

 Herring, colour of, 71. 

 eggs of, 113. 

 j, poisonous, 157. 

 ,, fossil fry of, 190. 

 Hippocampus (sea-horse). 

 Histiophorus (sword-fish). 

 Holoptychius, scales of, 179. 

 Holopteryx, preservation of, 



189. 

 Horse-mackerel, migration of, 



147. 

 Hypsocormus, sword of, 185. 



Lamprey, skin of, 28. 

 eggs of, 111. 

 young of, 123. 

 affinities of, 194, 



197. 



,, fossil, 196. 

 Larval fishes, 120. 

 Lateral line, 36. 

 Lepidosteus, gills of, 125. 



,, affinities of, 185. 

 Leptocephali, nature of, 131. 

 Ling, eggs of, 113. 

 Loaches, affinities of, 188 

 Lump-fish, eggs of, 113. 

 Lung-fish, scales of, 29. 



Lung-fish, teeth of, 42. 

 ,, larva of, 125. 



M. 



Mackerel, fins of, 58. 

 Melanocetus, voracity of, 95, 

 Mormyrus, jaws of, 91. 

 Mullets, colours of, 71, 75. 



NeocJianna, burrows of, 152. 

 Nesting of stickle-back, 103. 



crenilabrus, 107. 



angler-fish, 107. 



paradise fish, 107. 



beaked-fish, 108. 



cat-fish, 108. 



chromids, 108. 



aspredo, 109. 



pipe-fish, 109. 

 uS) teeth of, 39. 



primitive character 

 of, 172. 



0. 



Orthagoriscus, food of, 133. 



,, young of, 137. 



,, diving habits of, 

 167 

 Ostracion, poison of, 157. 



P. 



of, 



Pachycornnus, affinities 



185. 



Paradise fish, nest of, 107. 

 Parrot- wrasse, feeding of, 85. 

 , , poison of, 157. 



Pentamerus, fins of, 63. 



