SYSTEMATIC INDEX 
OP 
GENERA AND SPECIES 
DESCEIBED IN PART IV. 
Page 
Order ACTINOPTERYGrll (continued) .... I 
Suborder IV. ISOSPONDYLI (continued) .... 1 
Family LEPTOLEPID^ (continued) . 1 
Lycoptera. I 
-middendorffi. 2 
-sinensis. 3 
Family ELOPID^ . 7 
Elopopsis. 8 
-fenzli. 9 
-microdon. 9 
-- heckeK. 9 
-crassus.10 
Osmeroides.11 
-lewesiensis.11 
-levis.15 
-gracilis ..16 
-lewisi.17 
-attenuatus.19 
PART lY, h 
