16 : 
6. “Kam. .CLUPEIDAE. 
Oblong or elongate, more or less compressed. Belly often 
with a serrature. Scales cycloid, sometimes with a pectinated 
Fig. 9. Skull of Dussumieria acuta (after Ridewood) av angular, av articular, 
d dentary. e entopterygoid, ec ectopterygoid, /¢ temporal foramen, 4 hyo- 
mandibular, 7 interopecular, 7 intermaxilla, 7 maxilla, 2 nasal, o opercular, 
ov circumorbital bones, ~ preopercular, s supplemental bones of maxilla, 
so subopercular, s¢ supratemporal. 
Fig. 10. Skull of Cvilia nasus (after Ridewood). ~¢ posttemporal; for other 
explanation of lettering see Fig. 9. 
border. Head naked. Cleft of mouth small or very wide. 
Teeth mostly small, often feeble or wanting, very rarely cani- 
