n. xnous. 201 



11. THOUS. 



Skiill elongate ; nose tapering, moderate. Temporal muscles se- 

 parated by a vase-shaped crown. Teeth 44 =|^; two tubercular 

 grinders in each side of the upper, and three in each side of the 

 lower jaw, the two hinder circular, the hindmost very minute. 



Lvcalopex, § 1, Burmeider. 

 Thous, Gray, P. Z. 8. 1868, p. 514. 



There are three skulls in the British Museum, aU showing the 

 additional hinder lower grinders. One, 1033 h, has a group of four 

 small hinder tubercular grinders on one side of the lower jaw, which 

 displaces and throws out of the regular line the larger penultimate 

 tubercular lower grinder. 



1. Thous crancrivorus. (Crab-eating Dog.) B.M. 



Tail moderately long. Snout blackish. 



Canis cancrivorus, Desni. Mamm. p. 199 ; Blainv. Osteoyr. i. 9 (skull), 



t. 12 (teeth), t. 

 Viverra cancrivora, Meyer, Zuol. Ann. i. p. 135 ; Actes tie la Soc. 



(VH. N. a Paris, i. p. 115. 

 Canis brasiliensis, Lund, Bras. 1842, t. 

 Canis melampus, Wagner. 



Vulpes brasiliensis, Gerranl, Cat. of Bones of Mamm. p. 88. 

 Cams (Lvcalopex) cancrivorus, Burm. Fauna Bras. p. 24, t. 22, t. 27. 



f. 1, 4." 

 Thous crancrivonis, Gray, P. Z. S. 1868, p. 514. 

 Lvcalopex cancrivorus, Gerrard, Cat. of Bones of Mamm. p. 89. 

 Chien des bois, Bujfon, H. N. Supp. vii. p. 146, t. 38. 

 Chien sauvage, Fermin in Hull. Eqidn. p. 10. 

 ':' Canis thous, Linn. 8. N. i. p. GO. 

 Surinam Dog, Pcnn. 



Huh. French Guiana, in small packs. 



2. Thous fulvipes. B.M. 



Canis fulvipes, Martin, P. Z. S. 1837, p. 11 ; Waterhoitse, Zool. Beagle, 



t. 6 (1839) (type in B.M.). 

 Vulpes fulvipes, Gerrard, Cat. of Bones of Mamm. p. 88. 

 !'' Canis (Lycalopex) entrerianus, Buryneister, Uehersicht der Sdugeth. 



von La Plata, ii. p. 400, 1801 ; Arch. Katurq. 1862, p. 130. 

 Thous fulvipes. Gray, P. Z. S. 1868, p. 514. 



Hah. Chili {Bridjes). 



Section II. Vulpine. Skull thin, elongate. Postorbital jyrocess of the 

 frontal hones hetit hut little dotcnicard, the anterior edge turned up ; a 

 longitudinal .■shallow pit or indentation at its hase. Pupil of eye often 

 elliptical, erect. Head slender. Upper incisors scarcely lobed. 



Subfam. III. VULPINA. 



Vulpina, Baird, Mamm. N. A. p. 121 ; Gray, P. Z. S. 1868, p. 514. 



