VOL. I. | 
Loricariide 
Argiide 
Callichthyide 
Nemstogenyine Hypophthalmide 
Pygidine + 
Ageneiosine 
Lhe Evolution of the Catfishes. 
_Aucheniptcrina * 
StegophilineT erg 
Sophilinse Cetopsinze Doradiae ¢ 
Bagrine * 
Bunocephalidx ; 
PimUlodinie * 
Callophysinnx* 
Tachisurine * 
_ Diplomystide 
Primitive Nematcgnathi 
Primitive Ostariophysie 
%* Siluride — + Pygidide 
