MAMMALIA. 31 



hind. The intermaxillaries are short and triangular, and do not 

 reach to the nasals. Brown or black (adult males). Legs be- 

 neath the knees (and sometimes the rump) white. The baldness 

 of the upper lip converging beneath from the inner edge of the 

 nostrils. Skull, t. 3. f. 3. 

 Bibos, Hodgson ; Gray, Knowsley Menag. 

 Bison, sp., Ham. Smith in Griffith A. K.v. 371; Fischer, Syn. 



Mam. 651. 



Gareus, Hodgson, Var. Genera Ruminants, 1847, 21. 

 Bos (Boves proprie), part., Sundevall, Pecora, 200, 1844. 

 Bos, sp., Turner, Proc. Zool. Soc. 1849. 



Professor Sundevall regards the three species of this genus as 

 sub varieties of a variety of the Common Bull, Bos Taurus (Pe- 

 cora, 200, 1844). 



t Forehead flat. Horns broad, depressed, black. Front half of 

 back with an elongated keel, t. 3. f. 3. Probos, Hodgson. 



1. BIBOS FRONTALIS. The GAYAL. 



Black; lips, forehead and legs grey; inside of ears white; 

 forehead flat, very broad. Horns depressed, broad at the base, 

 conical, black. 



Bos bubalus var. c. Guavera, Penn. Quad. i. 27. 



" Bos Guavera, Penn." Buchanan, Icon. ined. Mus. Ind. Comp.t. 7. 



Bos bubalis y. Guavera, Meyer, Zool. Arch. 184, 1796. 



Bos frontalis, Lambert, Linn. Trans, vii. t. 4, young c? ; Gray, 



List Mam. B. M. 151; Cat. Hodgson Coll. B. M. 24; Deles- 



sert, Souvenir Ind. t. , not good. 

 Bos Gayeus (Assel Gayal), Colebrook, Asiatic Research, vii. 511. 



t. 8; Hardw. Zool. Journ. iii. 233. t. 7- f. 1; Lesson, Compl. 



Buffon, x. 317. 

 Bos Taurus var. 3, subvar. 1. frontalis, Sundevall, Pecora, 200, 



1844. 

 Bos (Bison) Gaveus, H. Smith in Griffith A. K. iv. 406. t. , 



v. 897; Fischer, Syn. 651, 654; Hodgson, Journ. Asiat. Soc. 



Beng. 1841, x. 912. 470. t. 1. f. 1. 

 Bibos frontalis, Gray, List Mam. B. M. 151 ; List Osteol. Sp. 



B. M. 24; Knowsley Menag. ; Lesson, Nov. Tab. Reg. Anim.\#4. 

 Gayal, Knight, Mus. Anim. Nat. f. 741, 742?, 743, 744. 

 Hob. India, Chittagong. 



Male. India. Nepal. Presented by B. H. Hodgson, Esq. 



OSTEOL. Skull, t. 3. f. 3. 



Gyal of Sylhet (Bos gaveus), Hodgson, J. Asiat. Soc. Beng. 1841, 

 'x. 470. t. 1. f. 1 ; Hardw. Zool. Journ. iii. t. 7. f. 1. 



