1868.] DR. J. E. GRAY ON THE CANID^. 519 



Cams argentatus, Shaw. 



C.fulvus argentafus. Rich., Baird. 



Vulpes fulvus argentatus, Aud. & Bachm. 



Renard noir d'Amerique, Blainv. Osteogr. t. 12 (skeleton). 



Silver or black Fox. 



Var. 4. macrura. Larger, varies in colour like the smaller 

 varieties ; foot-pads covered with hair. 



Skulls 1402ff, b. Length 5| inches; width 2|. 



Vulpes macrourus, Baird in Stausbury's Explor. Great Salt Lake, 

 309, 1852; Mamm. N. A. 130. 



V. Utah, Aud. & Bach. Proc. A. N. S. Philad. v. 114; N. A. 

 Quad. iii. 255, t. 151. 



IV. fulvus, Pr. Max. Reise, ii. 98, 1841. 



Hab. Great Salt Lake. 



17. Vulpes VELOX. Burrowing Fox. B.M. 



Canis velox. Say in Long's Exped. i. 486, 1823. 



Vulpes velox, Aud. & Bachm. N. A. Quadr. ii. 13, t. 52, 1851 ; 

 S. Baird, Mamm. N. A. 133 ; Gerrard, Cat. of Bones of Mamm. 88. 



Burrowing Fox, Lewis & Clarke's Travels, ii. 351. 



Kit-Fox, Lewis & Clarke, ibid. 



Canis cinereo- argentatus, Sabine, Franklin's Jour. 658 ; Blainv. 

 Osteogr. t. 4 (skull). 



C. vulpes cinereo-argentatus. Rich. F. B. A. 98, 1827. 



Vulpes cinereo-argentatus, Gray, List Mamm. B. M. 60; Gerrard, 

 Cat. of Rones of Mamm. 87. 



Canis microtis (or Kit Fox), Reichenb. Regne Anim. i. 10, f. 72, 73. 



Hab. North America, Missouri, burrowing in the earth. 



12. Fennecus. 



Ears large, elongate, hairy, spreading. Tail elongate, bushy, 

 covered with soft hairs. Pupil roundish? 



Skull elongate ; braincase ovate. Temporal muscles separated 

 from each other by a very wide urn-shaped crown to the occiput. 

 Upper premolars compressed ; flesh-tooth compressed, with a small 

 internal process in front ; tubercular grinder much wider than long. 

 Bullae of ears very large, thin, swollen and rounded below. Africa. 



1. Fennecus dorsalis. Sabora. B.M. 



Canis dorsalis. Gray, P. Z. S. 1837, p. 132. (B. M.) 

 1 C. famelicus, Riippell, Zool. Atlas, 15, t. 56. 

 C. riippellii, Schinz, Cuv. Thierr. iv. 508. 



Hab. Sandy deserts of Nubia and Kordofan (called "Sabora" by 

 the Arabs) ; West Africa, Senegal (B. M.). 



2. Fennecus zaarensis. Fenuec. B.M. 



Canis zerda, Zimmerm. Geogr. Gesch. ii. 242 ; Leuckart, Isis, 

 1825, p. 211 ; Ruppell, Zool. Alias, 5, t. 2. 

 C. cerdo, Gmelin, S. N. i. 75. 



