114 SYLVILAGUS. 



Geogr. Dislr. Mainly oak and pine forested slopes of Sierra Madre 

 in Michoacan, southern and western Jalisco, and southeastern part 

 of Territory of Tepic, Mexico. Vertical range from about 4000 to 

 5000 feet in Michoacan. Zonal range mainly upper Sonoran and tran- 

 sition, but ranging down on south slope of Sierra Madre through 

 lower Sonoran to border of arid tropical zone. 



Genl. Char. Similar to S. f. subcinctus but more reddish; skull 

 with heavier rostrum and narrower intertemporal area. 



Color. Top of head and upperparts of body ochraceous-buff, 

 washed with black; nape deep rusty buff; neck on under side dark 

 cream-buff; forelegs cinnamon-rufous; top of forefeet ochraceous- 

 buff; back of hind legs dark cinnamon-rufous; top of hind feet ochra- 

 ceous-buff; tail above ochraceous; ears ochraceous-brown, bordered 

 anteriorly and at tip with black; underparts of body white. Ex type 

 in United States National Museum. 



Measurements. Total length, 425; tail, 55; hind foot, 94; ear, 58. 

 Skull: Occipito-nasal length, 74.5; Hensel, 56; zygomatic width, 37.3; 

 intertemporal width, 13.8; palatal length, 7.3; length of nasals, 25.2; 

 length of upper molar series, 13.6; length of lower molar series, 14.2. 

 Ex type in United States National Museum. 



Sylvilagus gabbi messorius Goldman. 



Sylvilagus gabbi messorius Goldm., Smith. Misc. Coll., LX, No. 2, 

 1912, p. 13. 



Type locality. Cana, eastern Panama. Altitude 1800 feet. 



Genl. Char. Similar to S. gabbi, but more heavily overlaid with 

 black. 



Color. Top of head and upperparts rusty heavily mixed with 

 black, which is almost the dominant color; nape ochraceous-buff; 

 flanks and outer side of thighs cream color, less black appearing; 

 cheeks buff and black; under side of neck buff; rest of underparts 

 white; outer side of fore legs and feet ochraceous-buff; hind feet on 

 upper side chamois-buff; tail above ochraceous-buff, beneath white; 

 ears brownish black on outer side of anterior border. Ex type in 

 United States National Museum. 



Measurements. Total length, 370; tail, 17; hind foot, 80. Skull: 

 Total length, 73; Hensel, 55.3; zygomatic width, 36.7; inter temporal 

 width, 12.5; palatal length, 31.2; length of nasals, 29.2; length of 

 upper molar series, 13.6; length of mandible, 51.6; length of lower 

 molar series, 13.6. Ex type in United States National Museum. 



Sylvilagus cunicularius (Waterhouse). 



Lepus cunicularius Waterh., Nat. Hist. Mamm., II, 1848, p. 132; 

 Osgood, Proc. Biol. Soc. Wash., XX, 1907, p. 51. 



