SYSTEMATIC INDEX 
OP 
GENERA AND SPECIES 
DESCRIBED IN PART IV. 
Page 
Order ACTINOPTERYGII ( continued ) .... 1 
Suborder IV. ISOSPONDYLI {continued) .... 1 
Family LEPTOLE PI T)JR {continued) 1 
Lycoptera 1 
middendorffi 2 
sinensis 3 
Family ELOPID./E 7 
Elopopsis 8 
fenzli 9 
microdon 9 
heckeli 9 
crassus 10 
Osmeroides ■ 11 
lewesiensis 11 
levis 15 
gracilis 10 
lewisi 17 
attenuatus 19 
part iv. 
b 
