INDEX 



287 



(Fig. 17); median fins of, 31; an- 

 tiquity of, 148; described, 150; 

 C. calabaricus, 147, 150 (Fig. 150). 

 Calberla, E., 187. 

 Caldwell, W. H., 125. 

 Callichthys, respiration of, 2O; ganoid 

 plates of, 24 (Fig. 26), 26; origin 

 of dermal cusps, 30; C. armatus, 

 172 (Fig. 178); eggs and breeding 

 habits, 1 86. 



Callorhynchus, lateral line lost, 49; 

 description of, 104, 109; mandibu- 

 lar, 106 (Fig. no); bottle-nosed 

 Chimcera, 109 (Fig. ilS); eggs 

 and breeding habits of, 181 (Fig. 

 191), 185. 



Canals, v. Lateral line. 

 Carassius auratus, 170 (Fig. 176). 

 Carp, scales of, 26 (Fig. 31 A}; eggs 



of, 187. 



Catfish, barbels of, 46, 47 (Fig. 58) ; 

 description of, 171, 172; Amiurus 

 melas, 171 (Fig. 177). 

 Cattie, J. T., 54. 



Caturus, 164-165; C. furcatus, 164 

 (Fig. 169); Mesozoic caturid, 166 

 (Fig. 171^). 

 Caudal fins, 35; evolution of, 35-39 



(Figs. 44-48). 

 Central nervous system, v. Nervous 



system. 

 Cephalaspis, antiquity of, 9; described, 



67; C.lydli, 66 (Figs. 78, 79). 

 Cepkaloptera, v. Dicerobatis. 

 Ceratodus, antiquity of, 9, 10; swim- 

 bladder of, 22 (Fig. 1 6); archip- 

 terygial pectoral fin of, 39, 40, 42 

 (Fig. 54), 44, 45; description of, 

 123 (Fig. 127), 124; skeleton of, 

 123 (Fig. 128); skull of, 124 (Fig. 

 128.^); embryonic stages, 125; 

 eggs and breeding habits, 181 (Fig. 

 192), 185; development of egg, 

 198-202 (Figs. 231-248) ; larva of, 

 218-221 (Figs. 290-295) ; skeleton 

 of, tables, 253; jaws and branchial 

 arches, tables, 254 (Fig. 313), 257; 

 heart, conus and bulbus arteriosus, 



tables, 258 (Fig. 320) ; comparison 

 tables of heart, etc., 260; gills, 

 spiracle, gill rakers, and opercula, 

 tables, 261; digestive tract, tables, 

 263; swim-bladder, tables, 264, 265 

 (Fig. 16); genital system, tables, 

 266; urinogenital ducts and external 

 openings, tables, 267 (Fig. 335); 

 excretory system and urinogenital 

 ducts, tables, 270; abdominal pores, 

 tables, 271. 



Cestracion, antiquity of, 10; jaw of, 

 24 (Fig. 27); caudal fin, 36, 37 

 (Fig. 45), 38; anatomy of, 85 (Fig. 

 91), 86; Port Jackson shark, 181 

 (Fig. 190), 183. 



Cestraciont, antiquity of, 9, 10; gills 



of, 1 6 note; anatomy of, 85, 86; 



dentition of, 86; affinities of, 95, 



96; dental evolution, 112. 



Cetacean, fish-like form of, 5 (Fig. 



7), 6. 



Cetorhinus, go (Fig. 96^). 

 Challenger report, quoted, 87, 103. 

 Characteristic structure of fishes, 14. 

 Cheirodus, 157; C. granulosus, 157 



(Fig. 1 60). 

 Cheiropterygium, 39. 

 Chilomycterus geometriciis, 175, 176 



(Fig. 184). ' 



Chimara, sensory canals of the head, 

 30; lateral line of, 49, 51 note; 

 affinities to shark, 98 (Fig. 103); 

 anatomy of, 99-101 (Fig. 104); 

 skeleton of, 101-103; skeleton of 

 C. rnonstrosa, 102 (Fig. 105) ; genus, 

 104; mandibular, 106 (Fig. 109); 

 palatine plate, 106 (Fig. 109 A~); 

 clasping spine of forehead, 107 (Fig. 

 113); ventral fin and clasping organ, 

 107 (Figs. 1 1 6, 117); bottle-nosed 

 Chimaera, 109 (Fig. 118); general 

 description, no (Fig. 119), in 

 (Fig. 120); dermal plates, 113 (Fig. 

 104) ; comparison tables of skeleton 

 of, 253; jaws and branchial arches, 

 tables, 254 (Fig. 312), 256; urino- 

 genital ducts and external openings, 



