74 PSEUDORCA. 
1. PsEUDORCA CRASSIDENS, Owen (1846). 
Tasmanian Killer. 
Black above, whitish below. 
Dimensions.—Same as preceding species, 
Habitat.—Coast of Tasmania, New South Wales, Lord Howe 
Island. 
References.—Gray, B.M. Catal. Seals and Whales, p. 80; Scott, 
Seals and Whales, pp. 91, 92. 
Genus I1V.—GLOBICEPHALUS, Lesson (1842). 
Pterygoid bones of normal form, meeting or very nearly so in 
the median line. Upper surface of beak broad, flat, and concave 
in front of the nostrils. Premaxille as wide, or wider, at the 
middle of the beak as at its base. Bodies of the five or six anterior 
cervical vertebrz united. 
Vertebre.—C. 7, D. 11, L. 12 to 14, Cd. 28 or 29; total 58 or 59. 
Dentition.—j1 to se rarely a slightly curved at the tips. 
1. GLOoBICEPHALUS MELAS, Z’raill (1809). 
Ca’ing or Pilot Whale. 
Smooth shining jet black above, paler below, with a white stripe 
along the throat and abdomen. 
Dimensions.—Up to twenty-five feet. 
Habitat.—Seas beyond the tropics ; Tasmania. 
References.—Gray, B.M. Catal. Seals and Whales, p. 314, and 
Suppl. p. 83 ; Scott, Seals and Wales, pp. 99, 100, 139. 
Genus V.—DELPHINUS, Linneus (1776). 
Beak long and narrow, greatly exceeding the brain cavity in 
length, its basal width about one-third of its length. Forehead 
rounded. Dorsal fin falcate, situated on the middle of the back. 
The two anterior cervical vertebre united, the rest free. Palate 
with lateral grooves. 
Vertebre.—C. 7, D. 12 - 14, L. & Cd. 54; total 73 - 75. 
Dentition.—+% — $8. 
Note.—Prof. Flower (P.Z.S. 1883, p. 502) appears to consider 
the four following species as forms of a single widely disseminated 
one. 
1. DELPHINUS DELPHIS, Linneus (1766). 
Common Dolphin. 
Black above ; sides gray; beneath white. 
