524 DR. J. E. GRAY ON THE HY^ENAD^. [JuilC 25, 



Family 2. HY^NAD^. 



Head rather elongate ; nose rounded. Tubercular grinders single, 

 only in the upper jaw, wanting in Proteles. Feet produced ; toes 

 straight, free, with blunt, exposed, worn claws. Tail short, bushy. 



Synopsis of the genera. 



* Teeth large, well-developed, 34 ; muzzle narrowed in front. 



1. Hy^na. With a large, deep subcaudal gland. The tubercular 



grinders of upper jaw elongate, with three roots. The flesh- 

 tooth with three equal-sized lobes, the front lobe large. 



2. Crocuta. No subcaudal gland. The tubercular grinders of 



upper jaw small, with two roots. Flesh-tooth with unequal 

 lobes, the front one small, and the hinder elongate. 



** Teeth all small, rudimentary, 32 ; upper tubercular grinders 

 absent ; muzzle of skull broad, rounded in front. 



3. Proteles. 



Section I. Teeth large, well-developed, 34 ; muzzle narrowed in front . 



1. Hy^na. 



A large, deep subanal gland. The tubercular grinders of the 

 upper jaw elongate, transverse, with three roots. The flesh-tooth 

 with equal-sized lobes ; the front lobe large, broad. 



Hycena, Linn., Gray, Kaup. 



* The braincase of the skull compressed. Fur clouded ; hair very 



long. 



1. HYiENA BRUNNEA. B.M. 



Hycena brunnea, Thunb. Vetensk. A. H. 1820, p. 59; F. Cuv, 

 Diet. Sc. Nat. xxii. 294 ; Busk, Journ. Proc. Linn. Soc. 1866, p. 59, 

 t. l.f. 1-4. 



H. fusca, Geoff. Diet. Class. H. N. vii. 444, t. 2. f. 1 ; Fischer, 

 Syn. 195. 



H. villosa, A. Smith, Linn. Trans, xlv. 462. 



Hyene, Buffou, H. N. Suppl. iii. 234, t. 46. 



Hab. South Africa. 



** Skull with the braincase swollen behind. The fur banded. 



2. Hy^na striata. B.M, 



Canis hyana, Linn. S. N. i. 58. 



HycBua striata, Zimmerm. Geogr. ii. 256 ; Busk, Proc. Linn. Soc. 

 1866, p. 59, t. 1. f. 5. 

 H. vulgaris, Desm. Mam in. 215. 

 H. orientalis, Tiedem. Zool. i. 500. 

 H. antiquorum, Temm. Aun..Geu. Sci. Phys. iii. 51. 



