INTRODUCTION TO THE CLASS OF FISHES 173 



THE ORDERS OF LIVING FISHES 



ORDERS OMITTED. TYPES CHIEFLY NORTH AMERICAN 



SUBCLASSES 



BONY FISHES: 



Continued. 



ORDERS AND CHAR.\CTER3 



Flat-Fisiies Hei-e-ro-so'ma-ia 



Without bilateral symmetry. Both eyes 

 on one side. Flat, oval. Swim in hori- 

 zontal plane. 



Foot-Fishes Pe-dic-u-la'ti . . . . 



Mouth enormous; body broad, flattened, 

 bag-like. Pectoral fins long at base. 



Eels Ap'o-des 



Body long, slender, snake-like. No ven- 

 tral fins, no scales. 

 PiPE-FisnEs AND Sea-Horses, 



Lo-pho-hran' chi 

 Gills tufted; mouth tubular; body covered 

 with scale armor. Very unlike true 

 fishes. 



TYPES AND EXAMPLES 



Common Halibut . . 274 



Angler 277 



Electric Eel 283 



PiPE-FisH AND Sea- 

 horse 286 



GANOIDS: 



Armored Fishes 

 and their aUies 



CHIMERAS: 



CARTILAGI- 

 NOUS FISHES: 



With soft skeletons. 

 Lowest Fishes. 



The Dogfish Hal-e-co-mor'phi \ 



Air bladder cellular, acting as rudimentary ) Dogfish or Bowfin 290 

 lung. Helmet-headed. J 



Gar-Fishes Ging-ly-mo'di ] 



Ancient forms, covered with formidable ) 

 bony armor. J 



Sturgeo.ns Glan-i-os'to-mi... 



Body with rows of large, bony plates. 

 Mouth with barbels. 



Paddle-Fish Sel-a-ckos'to-mi . . 



Scaleless, shark-like. Broad, bony pad- 

 dle projecting from nose. J 



Gar Pike 



Alligator Gar. 



Lake STtTRGEON. 



. 294 

 . 295 



298 



Paddle-Fish 303 



f 



Chimeras Chi-mae-roi'de-i. 



Odd, shark-like forms. 



Sharks Squa'li 



Scales minute; skeleton cartilaginous. 

 Many species bring forth their young 

 alive. 



Rays and Skates Ra'i-ae 



Excessively flattened, but otherwise 

 shark-like. Many species with long 

 whip-like tails. 



Chimera collei. . . . 306 



Mackerel Shark.. 313 

 Hammer-Head 313 



Shark-Rat 314 



Sting R.ay 317 



Devil-Fish 318 



