BEAKED WHALES 



Found in the North Atlantic Ocean; recorded from Nan- 

 tucket Island, Massachusetts. 



Fig, 148. Sowerby Whale 



Blainville Whale. — Mesoplodon densirostris (Blainville) . 



Total length about 12 feet. Found in the Indian Ocean and 

 about Australia, but recorded from Massachusetts and New 

 Jersey. 



Gervais Whale. — Mesoplodon europcBus (Gervais). 



Larger than hidens and with shorter and narrower pectoral 

 fins. Color above very dark slate-gray, lighter on sides and 

 whitish on belly. Total length up to 22 feet. Found in the 

 North Atlantic Ocean ; recorded from New Jersey. 



Stejneger Whale. — Mesoplodon stejnegeri True. 



Teeth more than twice as broad and longer than those of 

 hidens; end of beak blunt, lower jaw longer than upper. 

 Total length about 16 feet. Found in the North Pacific 

 Ocean from Bering Island to Oregon, 



True's Beaked Whale. — Mesoplodon mirum True, 



Mandibular teeth at extremity of jaw; in female, very small 

 and concealed in the integument. "Back, slate-black; 

 lower side, yellow-purple, flecked with black; median line of 

 belly somewhat darker, a grayish area in front of vent ; fins 

 the color of the back." (True) Total length about 16 

 feet. Found along the southeastern coast of the United 

 States; North Carolina. 



Genus Ziphius 



Cuvier Whale. — Ziphius cavirostris G, Cuvier, 



A single pair of good-sized teeth at end of lower jaw. Color 

 variable, from black to gray above, sometimes white on 



Fig, 149. Cuvier Whale 



head and back as far as dorsal fin; underparts lighter than 

 upperparts. Total length about 18 to 20 feet. Found in 

 all seas. 



573 



