THE MAMMALS OF NEW JERSEY. 47 
is in the Museum of the Wistar Institute, which I examined in 
the flesh. It was captured November 2d, 1899. 
Kogia breviceps Rhoads, Mam. Pa. and N. J., 1903, p. 15. 
Kogia Goodei True Nat. Hist. Useful Aquat. Anim., 1884, 
pl. 2. 
Family ZIPHIIDZ. 
BortrLE-NoseED WHALES. 
These whales are intermediate in size, between the large 
whales and the dolphins. ‘They have protruding snouts and 
never more than two teeth. The front of the skull enlarges with 
age and sometimes protrudes over the snout. 
Three genera occur in the north Atlantic: 
a. No teeth visible. HYPEROODON 
aa. One tooth on each side of the lower jaw. 
b. Teeth at the front of the jaw. ZIPHIUS 
bb. Teeth at the middle of the jaw in male. (Female toothless.) 
MESOPLODON 
Genus HyrEroopon Lacépede. 
Hyperoodon rostratus (Miller). 
Bottle-Nosed Whale. 
PLATE 8. 
Length, 20 feet. Head nearly vertical in front, beak promi- 
nent, a depression around the blow-hole, flippers and dorsal fin 
moderate. No teeth visible, although one may be found on each 
side of the lower jaw in front, buried in the gums. Color, 
blackish, head somewhat lighter below. ‘This species is common 
in the northern oceans, but the only record on the New Jersey 
coast is one mentioned by DeKay in his Zoology of New York, 
I., p. 131, taken in the lower bay in 1822. 
Genus Z1IpHius Cuvier. 
Ziphius cavirostris Cuvier. 
Ziphius Whale, Cuvier’s Whale. 
Length, 15-20 feet. Similar to the preceding, but’ with the 
teeth at the front of the lower jaw usually visible. ‘Three of the 
