SYSTEMATIC ISDEX 
OF 
genera and species 
DESCRIBED IX PART lY. 
Order A C TI Y 0 P T E R Y O 11 (^continued) .... 
Suborder lY. ISOSPONDYLI {continued) .... 1 
Family EEPTOLEPID.Y] {continued,) . 
Lycoptera. 
-middendorffi. 9 
-sinensis. 3 
Family ELOPID..E 
Elopopsis . 
-fenzli 
-microdon . 
heckeli . 
. . . 9 
- crassus . 
Osmeroides . . 
lewesiensis 
. . . II 
-levis .... 
-gracilis . 
-- lewisi . 
-attenuatus . 
