A PRACTICAL ARRANGEMENT OF 



BASED CHIEFLY UPON VISIBLE CHARACTERS; DEEP-SEA 



SUBCLASSES 



LUNG 

 FISHES: 



Nearest to 



the 

 Amphibia. 



BONY 

 FISHES: 



Typical 



Fishes, 



high and 



low forms. 



ORDERS AND CHARACTERS 



LUNG-FISHES, . . . si-ren-oi'de-i . . 



Fishes with partial lungs, rudimentary legs, and molar 

 teeth. 



' 



TYPES AND pA 



EXAMPLES 



Australian Lung- 

 Fish . . . 380 



South American 

 Mudfish . . 381 



[SPINY-FINNED 

 FISHES, 



Typical fishes, with perfect gills, fins, scales, and bony ' 

 fin-rays. 



AC-AN-THOP'TE-RI 



I PIKES, HA-PLO'MI .... 



Head flattened and scaly. Only one dorsal fin, far back. 



|TROUT and SALMON, isospon'dy-li . 



Differential characters relate wholly to bony anatomy. 



FLYING FISHES, 



SYN-EN-TOG'NA-THI 



Pectoral fins greatly enlarged : some species able to fly. ) 



[SOLID-JAW FISHES, plec-tog'NA-thi 



Trigger-Fish . . 410 



Box-Fish . . .410 

 With solidified teeth and strong jaws. Mostly with ( p un ° or 41Q 



rough, file-like skins. / „ .' ' . ", ', ,_ 



' Porcupine Fish . 411 



ISUCKERS and / Common Sucker 412 



MINNOWS, PLEC-TO-SPON'DY-LI ) Buffalo Fish . .413 



Differential characters based wholly upon bony anat- 1 *- ar P 413 



omy. f Minnows . . . 414 



HALF-GILLED 

 FISHES, hem-i-bran'chii 



With imperfect or incomplete gills. 



Stickleback 



415 



ICATFISHES, NEM-A-TOG'NA-THI j Mississippi Cat- 



Scaleless ; head broad and flattened ; barbels around ( Ash .... 416 

 mouth ; defensive spines in dorsal and pectoral fins, f Bullhead . . . 417 



