468 CANIS. 



interorbital constriction, 29 (30.5); width of braincase above zygo- 

 mata, 59 (60); across postorbital processes, 46 (46.5); median length 

 of nasals, 53 (60); lateral length of nasals, 63 (67); width of rostrum 

 above last premolar, 27 (25); palatal length, 81 (82); width of palate 

 at posterior ends of carnassials, 42 (40); between last molars, 29.5 

 (27); palatal arch to end of hamular process of pterygoid, 30 (31.5); 

 width of basi-sphenoid at anterior margin of bullae, 15 (15.5); width 

 of basi-occipital at posterior margin of bullse, 14 (15); length of upper 

 carnassial, outer alveolar border, 10 (16); length from anterior edge 

 of canine to posterior margin of last molar, alveolar border, 71 (75); 

 alveolar length of upper molar series, 29.5 (33); postero-antero width 

 of last molar, 5 (6) ; length of last molar, 9 (10.5) ; length of mandible, 

 angle to alveolus of outer incisor, 121 (123); height at condyle, 24 

 (23.5); at coronoid process, 47 (50); alveolar length of lower carnas- 

 sial, 12 (19); length of lower molar series, 36 (42); anterior margin of 

 canine to posterior margin of last molar, alveolar border, 77 (83.5). 



The numbers in parentheses are the measurements of a skull of a 

 male. 



470. mearnsi (Cams), Merr., Proc. Biol. Soc. Wash., xi, 1897, p. 30. 



Elliot, Syn. N. Am. Mamm., 1901, p. 302. 

 MEARNS' COYOTE. 



Type locality. Quitobaquita, Pima County, Arizona. 



Geogr. Distr. State of Sonora, Mexico, to southern Arizona. 



Genl. Char. Size small; color bright; skull and teeth small. 



Color. Forehead grizzled gray and fulvous; top of head, nape, 

 and ears light fulvous; muzzle cinnamon rufous; rest of upper parts 

 buffy ochraceous mixed with black; under parts white; belly tinged 

 with buffy ochraceous; throat buffy, hairs tipped with black; fore 

 and hind legs and feet bright orange fulvous all around; upper side 

 of fore legs with black mixture; tail beneath pale fulvous, whitish at 

 base ; remainder with black-tipped hairs ; tip of tail black. 



Measurements. Total length, noo; tail vertebrae, 330; hind foot, 

 180. Skull: basal length, 163; Hensel, 160; zygomatic breadth, 83; 

 palatal length, 88 ; mastoid breadth, 56.5 ; crown of upper sectorial, 19. 



471. impavidus (Canis), Allen, Bull. Am. Mus. Nat. Hist., 1903, 



p. 609. 

 BOLD COYOTE. 



Type locality. Rio del Bocas, State of Durango, Mexico. Alti- 

 tude, 7,000 feet. 



Genl. Char. "Similar in coloration to C. cagottis, but much 

 larger, and the upper carnassial with a prominent protocone; in size 

 and dental characters similar to C. mearnsi, but much paler, the 



