Report U.S. F.C. 1883.—True. Cetaceans. PLATE VI. 
16. Orcella fluminalis, Anderson. Indian River-dolphin. 
Length, 6 feet. (?) (After Anderson.) 
17. Grampus griseus, (Cuvier) Gray. Grampus. 
Length, 10 feet 6inches. (After Flower.) 
18. Globiocephalus melas, (Traill). Blackfish. 
Length, 19 feet. (After Flower.) 
GENERA OF CETACEANS. 
