PLATE V. 
13, Neom ris phocenoidcs, (Cuvier) Gray. The Nameno-juo, 
Length, 4feet. (After Schlegel.) 
14. Delphinopterus leucas, (Pallas). White Whale. 
Length, 12 feet. (After a photograph by the U. S. Fish Commission.) 
15. Monodon monoceros, Linné. Narwhal. 
Length of body, 16 feet; length of tusk, 8 feet. (Modified from F. Cuvier.) 
GENERA OF CETACEANS. 
