CETACEA. 53 



2. KOGIA. SHORT-HEADED WHALES. 



Head moderate, broad, triangular. Lower jaw wide behind, 

 slender, united by a short symphysis in front. Jaw-bone of skull 

 broad, triangular, as broad as long. 



This genus is intermediate between Catodon and Delphinus. 



The skull is quite distinct from the skull of the young Sperm 

 Whale. The entire animal has not been observed. 



Physeter, sp. Blainv. Ann. Anat. et Phys. iii. ; Lesson, N. Reg. 



Anim. 201. 

 Kogia, Gray, Zool. Erebus fy Terror, 22. 



1. KOGIA BREVICEPS. The SHORT-HEADED WHALE. 



Skull very broad and high, the frontal crest very distinct, and 

 the nasal pit very deep, rather like that of the Cachalot. Nose 

 very short and pointed, very rapidly tapering, only 1 inch longer 

 than the breadth of the occipital bone. The lower jaw is very 

 wide apart at the condyles, bent sharply inwards, and united in 

 front by a moderate symphysis, and very narrow but rounded at 

 the end. Teeth 14 or 15, narrow, slender, conical, acute, and 

 rather arched inwardly. 



Physeter breviceps, Blainv. Ann. Anat. et Phys. iii. 1838, 33?. 



t. 15; Lesson, N. Reg. Anim. 201. 

 Kogia breviceps, Gray, Zool. Ereb. fy Terror, 22. 

 Inhab. Cape of Good Hope, Mus. Paris. 



Described from a single skull in the Paris Museum. Length 

 of the skull 14 inches 6 lines. Lower jaw 13 inches, separation 

 at the condyles 12 inches, symphysis about f of the length of the 

 lower jaw. Beak the length of the width at the notch. 



3. PHYSETER. 



" Head rounded, convex above ; upper jaw longest ; the 

 blowers on the middle of the top of the head, separate, covered 

 with one flap ; pectoral fin moderate, triangular ; dorsal fin 

 high, falcate ; teeth conical, compressed ; the male organ under 

 the front edge of the dorsal, and the vent nearly under its hinder 

 edge." Sibbald. 



Physeter, sp. Linn. ; Artedi; Illiger, Prod. 143, 1811. 



Physeter, Rafin. Anal. Nat. 1815, 60. 



Tursio, Fleming, Phil. Zool. 211, 1822 (P. microps). 



Cetus (Ruckenfinne), OJcen, Lehrb. Nat. 676. 



? Orthodon, Rafin. Anal. Nat. 60, 1815 (no char, nor type). 



Physeteres, Lacep. ; F. Cuv. D. S. N. lix. 318. 



