70 KOGIA. 



Dimensions. Up to eighty-five feet at least. 

 Habitat. Cosmopolitan. 



References. Gray, B.M. Catal. Seals and Whales, p. 202, fig. 

 54 (side view of skull); Scott, Seals and Whales, p. 111. 



Genus II. KOGIA, Gray (1866). 



Upper teeth absent or reduced to a rudimentary pair in front. 

 Mandibular teeth nine to twelve in each ramus, long, slender, 

 recurved, and pointed, with a coating of enamel. Upper surface 

 of the cranium concave. Rostrum not longer than the cranial 

 portion of the skull, broad at the base and rapidly tapering to the 

 apex. Mandible with symphysis less than half the length of the 

 ramus. All the cervical vertebrse united. Head about one-sixth 

 of the length of the body, obtusely pointed in front. Spiracle 

 crescentic, to the left of the median line. Pectoral tins obtusely 

 falcate. A triangular dorsal fin. 



Vertebra. C. 7, D. 13 or U, L. 9, Cd. 21 ; total 50 or 51. 



1. KOGIA BREVICEPS, Ulainville, sp. (1838). 



Short-headed Sperm Whale. 

 Black above, yellowish below. 

 Dimensions. Up to eleven feet. 

 Habitat. Australia ; Timor ; Cape of Good Hope. 

 References. Gray, B.M. Catal. Seals and Whales, p. 217, fig. 

 56 (skull and lower jaw) and p. 218; Scott, Seals and Whales, 

 p. 208 ; Wail, Mem. No. 1, Austr. Mus. (1851). 



Subfamily II. ZIPHIINJE. 



Mandibular teeth rudimentary and concealed in the gum, with 

 the exception of one, very rarely two, pair which may be largely 

 developed, especially in the males. A distinct lachrymal bone. 

 Spiracle single, crescentic, and median. Pectoral fin small, ovate, 

 all five digits moderately developed. A small obtusely falcate 

 dorsal fin, situated considerably behind the middle of the back. 

 Longitudinal grooves 011 the skin of the sides of the throat nearly 



O O * 



united in front, but divergent behind. 



Genus III. HYPEROODON, Lacepede (1803). 



Mandible with a small, conical, pointed tooth at the apex of 

 each ramus, concealed by the gum. Skull with the upper ends of 

 the premaxilla) rising suddenly behind the nares to the vertex ; 

 the right larger than the left. Anteorbital notch distinct. 

 Mesethmoid but slightly ossified. All the cervical vertebrae united. 



