326 MEPHITIS. 



breadth, 38.5; palatal length, 27.5; ptengoid fossa, 16.5; height of 

 cranium at basisphenoid, 23.5; length of tooth row, 24; length of 

 mandibular ramus, 50. 



484. estor. {Mephitis), Merr., N. Am. Faun., No. 3, 1890, p. 81, pi. 



X, fig. I. 



Type locality. San Francisco Mountain, Arizona. 



Geogr. Distr. Arizona. 



Genl. Char. Size small; tail short; soles naked. Skull: palate 

 not reaching posterior line of the last molar; distinct pit between the 

 bullae and postglenoid process absent. 



Color. Narrow frontal stripe and nuchal patch white, the latter 

 occupying entire occipital region, and extending narrowly on the 

 shoulders, then expanding over all the lower back and rump (some- 

 times in the center of the back a narrow black stripe appears amid 

 the white), and then continues over the tail, extending beyond the 

 tip. Through this thin white "veil" the black beneath shows 

 through; under parts black with white patches on throat. 



Measurements. Total length, 640; tail vertebra;, 256; pencil, 140; 

 hind foot, 67. 



485. spissigrada. {Mephitis), Bangs, Proc. Biol. Soc. Wash., 1898, 



P- 31- 



Type locality. Sumas, British Columbia. 



Genl. Char. Size long: tail long, heel densely hairy; palate 

 short, the notch a smooth curve, and not reaching beyond posterior 

 line of last molar. 



Color. Black; frontal stripe, nuchal stripe, and lateral stripes 

 white, the latter extending from nuchal patch to and down sides of 

 tail, and overhanging the blunt tip. 



Measurements. Skull: Basal length, 68; occipito-nasal length, 

 69.6; zygomatic breadth, 49.6; mastoid breadth, 41; single half of 

 mandible, 50. (Bangs, 1. c.) 



486. faetulenta. {Mephitis), Elliot, Field Columb. Mus. Pub., 1899, 



I, p. 269, Zool. 



Type locality. The Lagune near Port Angeles, Washington. 



Genl. Char. Differs from J/, spissigrada in having the pterygoid 

 fossa longer; basi-occipital narrower and shorter; palatal arch notched 

 in the center; posterior portion of parietals constricted and with an 

 abrupt slope to the squamosal; longer and narrower nasals, and 

 larger bullae. Heels slightly hairy; claws long, white with dark 

 brown tips on fore feet, reddish on hind feet. 



Color. Black; narrow line between eyes; nuchal patch, stripe to 

 shoulders, and lateral stripes extending to end of tail white. Towards 



