2 9 2 



INDEX 



trasted with Teleost, 144 (Fig. 147) ; 

 air-bladder like that of a Dipnoan, 

 145; J. Miiller as to structural differ- 

 ences between Ganoids and -Tele- 

 osts, 145; recent Ganoids, 159; 

 Mesozoic, 166 (Fig. 171 A); eggs 

 and breeding habits, 181 (Figs. 193, 

 194); fertilization of eggs of, 187; 

 development of eggs of, 202-207 

 (Figs. 249-268) ; larval development, 

 211-223 (Figs. 296-302); names of 

 authors and works on, 246-249; 

 skeleton, tables of, 253 ; skeleton of 

 Polypterus bichir, 144 (Fig. 147); 

 digestive tract, tables, 262 (Figs. 

 326-331); urinogenital ducts and 

 external openings, tables, 266, 267 

 (Figs. 332-337) ; abdominal pores, 

 tables, 271; tables of early devel- 

 opment, 280, 281. 



Ganoine, 166 note. 



Carman, 87, 93, 109, no. 



Gar-pike, v. Lepidosteus. 



Gegenbaur, C., 39, 40, 42, 146. 



Generalized fishes, defined, 12. 



Genital system, comparison tables of, 

 266 (Figs. 332-337) , 2 7. 27 1 - 



Geological distribution of fishes, 9. 



Geologist, American, quoted, 80. 



Gill, T., no; phylogenetic table of, 

 compared, 283. 



Gill rakers, 20; comparison tables of, 

 260. 



Gill shields, 20 ; v. Sharks, Chimaeroids, 

 etc. 



Gills, 16-23; evolution of, 18; of 

 Amphioxus, 16; of Bdellostoma, 17 

 (Fig. 9); of Myxine, 17 (Fig. 10); 

 of shark, 17 (Fig. n); of Teleost, 

 17 (Fig. 12); of Cyclostomes, 18; 

 of Heptanchus, 1 6, 19; of mullet, 

 20; of Brevoortia (menhaden), 20; 

 of Selache, 20; number of gill slits, 

 1 6, note; table of comparison of, 

 260, 261 (Figs. 9-12, p. 259). 



Goette, A., 189. 



Goldfish, 170; Carassius auratus, 170 

 (Fig. 176). 



Goode, G. B., 3, 47, 89, 90, 92, 94, 95, 

 103, 108, 155, 160, 162, 163, 171, 



1 73- 1 77- 



Graf, A., 75, 102, 119. 

 Greenland shark, v. Lamargus. 

 Guitel, F., 181. 

 Gunn, M., 70. 

 GUnther, A., 60, 90, 96, 103, 123, 125, 



146, 162, 168, 170, 172, 178, 181; 



phylogenetic table of, compared, 



283. 



Gurnard, v. Prionotus. 

 Gyroptychius, 150, 151 (Fig. 151). 



Haeckel, 146; phylogenetic table, 



compared, 282. 



Hagfish, in classification, 8; v. Myxine. 

 Harriotta, 103, 104, 108 (Fig. 117); 



clasping spine of, 115. 

 Heart, v. Sharks, etc. 

 HEMIBRANCHIATES, 176. 

 HemitripttruS) barbels of, 46, 47 



(Fig. 57). 



Heptabranchias, v. Notidanus. 



Heptanchus, v. Notidanus. 



Hertwig, O., 54, 204. 



Heterocercal caudal fin, 35, 37 (Figs. 

 4546). 



HETEROSOMATA, 175. 



Hippocampus, 176; H. heptagonus, 

 177 (Fig. 185) ; eggs and breeding 

 habits, 1 86. 



Hofer, B., 24. 



Hoffman, 187 note. 



HOLOCEPHALI, v. Chmueroids; heart, 

 conus and bulbus arteriosus, tables, 

 260; digestive tract, tables, 263; 

 swim-bladder, tables, 264. 



Holoptychius, in classification, 8; un- 

 paired fins of, 33 (Fig. 33) ; ances- 

 try of, 147; description of, 150; H. 

 andersoni, 151 (Fig. 153). 



Homocercal caudal fin, 35, 37 (Fig-48). 



Howes, G. B., 42; phylogenetic table 

 of, compared, 282. 



Huxley, 131, 257. 



Hybodus, number of gill slits, 1 6 note; 

 fin spines of, 28, 29 (Fig. 33). 



