INDEX 



299 



works, 249-251; comparison tables 

 of the skeleton of, 253; heart, conus 

 and bulbus arteriosus, tables, 258 

 (Figs. 324, 325), 260; digestive tract, 

 tables, 262 (Fig. 331), 263; urino- 

 genital ducts and external openings, 

 267 (Fig. 337), and tables, 271; 

 circulation in, tables, 269; abdomi- 

 nal pores, tables, 271; brain of, 273 

 (Fig. 344) ; central nervous system, 

 tables, 275; comparison table of the 

 early development of, 280,281. 



TELEOSTOMES, in classification, 7, 8; 

 antiquity of, 9, 10; mouth of, 64 

 note; opercular apparatus of, 114; 

 tail of, 1 15 ; affinities to Arthrodirans, 

 136; general description of, 139- 

 178 (Figs. 145-185 A); skeleton 

 of, 141-143 (Fig. 146); visceral 

 parts of, 143; contrasted with 

 Ganoids, 144 ( Fig. 147) ; Teleosts 

 and Ganoids merged into one group 

 by Prof. Owen, 146; descent of, 

 146; affinities with the Dipnoans 

 generally admitted, 146; Rabl de- 

 rives them from a selachian stem, 

 146; Beard and Woodward as to 

 their descent, 146; two principal 

 subdivisions of, 147; phylogeny, 

 scheme of, 165, 166 (Fig. 171 A}\ 

 comparison tables of skeleton of, 

 253; table of relation of skull, jaws, 

 and branchial arches, 257; heart, 

 conus and bulbus arteriosus, tables, 

 260; gills, spiracle, gill rakers, and 

 opercula, tables, 261 ; digestive 

 tract, tables, 263; swim-bladder, 

 tables, 264, 265 (Fig. 13); genital 

 system, tables, 266; sense organs, 

 tables, 277; integument and integu- 

 mentary sense organs, tables, 279. 



Telescope-fish, v. Carassius. 



Terrell, J., 130. 



Thacher, J., 40. 



Thiolliere, 58. 



Thrasher shark, v. Alopias. 



Tissues, cellular elements of, in Dip- 

 noans, 129. 



Titanichthys, pineal foramen of, 55, 

 56, 135; size and localities of, 130; 

 lip-like mandibles of, 136; mandi- 

 bles of T. clarki, 136, 137 (Fig. 



139)- 



Torpedo, 95 (Fig. 102). 

 Trachosteus, jaws of, 136, 137 (Fig. 



140). 

 Transactions of Edinburgh Society, 



quoted, 70. 

 Traquair, R. H., 65, 68, 70, 71, 78, 



128, 130, 132, 156, 157, 159. 

 Trygon, dental plates of jaw of, 24 



(Fig. 29); fin spine of, 28, 29 (Fig. 



34)- 

 Turner, W., 217. 



Undina, 147, 153; U. gulo, 154 

 (Fig. 156^). 



United States Fish Commission Re- 

 ports, quoted, 3, 89, 90, 92, 94, 95, 

 155, 160, 162, 163, 171, 173-177- 



United States National Museum, Pro- 

 ceedings of, quoted, 103. 



Urinogenital system, comparison tables 

 of, 266, 267 (Figs. 332-337), 270, 

 271. 



Urogymnus, shagreen of, 24 (Fig. 23). 



Ventral plates of Coccosteus decipiens, 

 132 (Fig. 132). 



Vertebral axis of lung-fishes, resem- 

 blance to Elasmobranchs, 128. 



Vienna collection, 149 note. 



Visceral characters, resemblance be- 

 tween lung-fishes and Elasmo- 

 branchs, 128; of Teleost, 143; of 

 Ganoids, 145. 



Walcott, 65. 



Ward, H. A., 75. 



Whale, fish-like form of, 6. 



Whale, humpback, numerical lines of, 



5 ( Fi - 7)- 

 Whiteaves, 152. 



Whitman, C. O., 187 note. 

 Wiedersheim, R., 40, 113. 

 Willey, A., 16. 



