INDEX. 



A. 



Acanthodes, affinities of, 200. 



, , structure of, 204. 



^fflobates, spines of, 154. 

 ^Etheolepisy scales of, 34. 

 Air-bladder, 12, 24. 

 Amia, affinities of, 183. 

 Amphiprion and anemone, 72. 

 Amphisile, armour plating of, 



31, 33. 

 Angler-fish, teeth of, 42. 



feeding of, 93. 



. , sexual differences, 

 100. 



, , nest, 107. 

 Antiarcha, affinities of, 200. 

 Archer-fish^ feeding of, 83. 

 Arthrodira, armour of, 202. 

 Aspredo, eggs of, 109. 



B. 



Bafistes, poison of, 157. 

 Barbel, poison of, 158. 



,, affinities of, 188. 

 Barracuda, poison of, 157. 

 Barramunda, survival of, 140. 

 Beaked-fish, eggs of, 109. 

 Bichir, gills of, 25, 125. 



,, scales of, 33. 



, , fins of, 58. 



,, archaic nature of, 140, 



185. 



Bitterling, oviduct of, 110. 

 Blennies, eggs of, 112. 

 Bream, affinities of, 188. 



Breathing, nature of, 19. 

 Boar-fish, jaws of, 90. 

 Bow-fin, affinities of, 183. 

 Burbot, fins of, 12-62. 

 ,, poison of, 158. 



C. 



Caranax, poison of, 157. 

 Carp, breathing of, 23. 



,, sexual differences in, 



100. 



,, hibernation of, 150. 

 ,, viviparous, 110. 

 ,, affinities of, 188. 

 Cat-fishes, breathing of, 23. 

 ,, scales of, 29. 

 ,, sexual differences 



of, 100. 



,, poison organ of, 156. 

 Cepkalaspis, structure of, 199. 

 Ceratodus, teeth of, 42. 

 Chiasmodus, voracity of, 94. 

 Chimera, eggs of, 112. 



, , classification of , 1 74. 

 ,, structure of, 175. 

 , , teeth of, 175. 

 Chromatophores, nature of ,73. 

 , , changes in, 75. 



Chubb, affinities of, 188. 

 Cladoselacht, affinities of, 202. 

 structure of, 203, 204. 

 Climbing-perch, breathing of, 



22. 

 Climbing-perch, summer sleep 



of, 152. 

 Cod-fish, scales of, 35. 



