INDEX 



293 



Hydrolagus colliei, general anatomy 



of, 100 (Fig. 104), no. 

 HYPERORARTIA, 62. 



ICHTHYOMI, in classification, 8. 



Innes, W., 149. 



Integument, v. Shark, sense organs, 



etc. 



Intestine, v. Digestive tract. 

 Ischyodus, 103 (Fig. 1 06) ; mandibular 



of, 106 (Figs, in, 112), 112. 



Jaekel, O., 92, 113. 



Janassa, 86. 



Jaws of fishes, 24, 27; of Port Jackson 



shark, 24 (Fig. 27), 27; table of 



relations of, 254 (Figs. 310-315), 



256, 257. 

 Journal of Morphology, quoted, 51 



note, 1 60. 



Kepler, W., 130. 



Klaatsch, phylogenetic table of, com- 

 pared, 282. 

 Kner, 82. 

 Kreft, 125. 

 Kupffer, K. v., 187 note, 189, 222. 



Labrax lineatus, v. Bass. 



Lczmargus, shagreen denticle of, 24 

 (Fig. 21), 25; described, 90 (Fig. 

 96 B*} ; breeding habits of, 183 and 

 note. 



Lagocephalus, description of Z. kzvi- 

 gatus, 176 (184^). 



Lamna, 89, 90 (Fig. 96). 



Lamprey, classified, 8; metamerism 

 in, 14-16; gills of, 17; v. Petromy- 

 zon, Cyclostomes, etc. 



Lampreys, v. Cyclostomes, etc.; com- 

 parison table of the early develop- 

 ment of, 280, 281. 



Lankester, E. R., 66. 



Larva, v. Fishes, larval development 

 of. 



Lateral line, 48-53 (Figs. 61-68); of 

 Chimaeroids and shark, 114; in Coc- 

 costeus, 135. 



Lepidosiren, in classification, 8; swim- 

 bladder of, 22 (Fig. 1 8); account 

 of, 125 (Fig. 129), 126; swim- 

 bladder, tables of, 264, 265 (Fig. 

 18). 



Lepidosteus, in classification, 8; an- 

 tiquity of, 9, 1 66 (Fig. 171 A}\ 

 swim-bladder of, 21, 22 (Fig. 14); 

 ganoid dermal plates of, 24, 25 (Fig. 

 24) ; especial interest of gar-pike in 

 connecting the Ganoids with the 

 Crossopterygians, 159; gar-pike, Z. 

 platystom us, described , 1 5 9- 1 60 ( Fig. 

 I 57); e gg s and breeding habits of, 

 181 (Fig. 193), 185; fertilization 

 of, 187; development of egg of, 203 

 (Figs. 265-268), 207; heart, conus 

 and bulbus arteriosus, 258 (Fig. 

 322); comparison tables of heart, 

 etc., 260; gills, spiracle, gill rakers, 

 and opercula, tables, 261 ; digestive 

 tract, tables, 263; swim-bladder, 

 tables, 264, 265 (Fig. 14); genital 

 system, tables, 266; excretory sys- 

 tem and urinogenital ducts, 271. 



Leptolepis, 165; Z. sprattiformis, 165 

 (Fig. 170). 



Leydig, F., 51 note. 



Limb structure in Dipnoans, 129. 



List of names of authors and of their 

 works, 231-251. 



List of the derivations of proper 

 names, 227-230. 



LOPHOBRANCHII, 1 66 (Fig. 171 A}, 

 178. 



Lung-fishes, v. Dipnoans. 



Lungs, v. Swim-bladder. 



Mackerel shark, v. Lamna. 



Mackerel, Spanish, movement and fins 

 of, 2, 3 (Fig. 3); front view of, 4 

 (Fig. 4); lines of, 5 (Fig. 6). 



Macropetalichthys, eyes of, 135. 



Manatee, fish-like form of, 6. 



Mandibles of Chimseroids, 113; articu- 

 lation of in Dipnoans, 129. 



Mantis, or devil-ray, v. Dicerobatis. 



Marey, 2. 



