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, 20; ganoid 

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

 of dermal cusps, 30; C. armatus, 

 172 (Fig. 178); eggs and breeding 

 habits, 186. 



Callorhynchus^ lateral line lost, 49; 

 description of, 104, 109; mandibu- 

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

 Chimaera, 109 (Fig. 118); eggs 

 and breeding habits of, 181 (Fig. 

 191), 185. 



Canals, v. Lateral line. 



Carassius auralus, 170 (Fig. 176). 



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

 of, 187. 



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

 description of, 171, 172; Amiurtts 

 melas, 171 (Fig. 177). 



Cattie, J. T., 54. 



Caturus^ 164-165; C. furcaius, 164 

 (Fig. 169) ; Mesozoic caturid, 166 

 (Fig. 171^). 



Caudal fins, 35; evolution of, 35-39 

 (Figs. 44-48) . 



Central nervous systexn, v. Nervous 

 system. 



Cephalaspis, antiquity of, 9; described, 

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



Cephaloptera, v. Dicerobatis. 



Ceratodus, antiquity of, 9, lO; swim- 

 bladder of, 22 (Fig. 16); 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. 

 128/4); embryonic stages, 125; 

 eggs and breeding habits, 18 1 (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, lO; jaw of, 

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

 (Fig. 45)1 38 ; anatomy of, 85 (Fig. 

 91), 86; Port Jackson shark, 181 

 (Fig. 190), 183. 

 Cestraciont, antiquity of, 9, lO; gills 

 of, 16 note; anatomy of, 85, 86; 

 dentition of, 86; affinities of, 95, 

 96; dental evolution, 112. 

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



7), 6. 

 Cetorhums, 90 (Fig. g6A). 

 Challenger report, quoted, 87, 103. 

 Characteristic structure of fishes, 14. 

 C/ieirodus, 157; C. granulosus, 157 



(Fig. 160). 

 Cheiropterygium, 39. 

 Chilomyctertis geometricus, 175, 176 



(Fig. 184). 

 ChimcEra, sensory canals of the head, 

 30; lateral line of, 49, 51 note; 

 affinities to shark, 98 (Fig. 103) ; 

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

 skeleton of, 101-103; skeleton of 

 C. monstrosa^ l02(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. 116, 117); bottle-nosed 

 Chimaera, 109 (Fig. 118); general 

 description, no (Fig. 119), III 

 (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, 



