﻿MAMMALS OF NORTHERN COLOMBIA — HERSHKOVITZ 359 



Acad. Sci. Philadelphia, 1914, p. 15 (mountains above Chambo). — Cabreiia, 



Trab. Mus. Nac. Cienc. Nat., Madrid, scr. zool.. No. 31, p. 56, 1917 (Mount 



Pichincha), 

 S[ylvilagus] andinus, Cabrera, Trab. Mus. Cienc. Nat., Madrid, No. 11, p. 119, 



1912 (Mount Pichincha). 

 S[ylvilagus] andinus andinua, Cabrera, Trab. Mus. Cienc. Nat. Madrid, ser. zool.. 



No. 9, pp. 4-8, pi., fig. 1, 1913 (Mount Pichincha; distribution; comparisons). 

 Sylvilagus andinus andinus, Hershkovitz, Occ. Papers Univ. Michigan Mus. 



Zool., No. 393, p. 9, 1938 (La Compafifa; description; comparisons; distribu- 

 tion). 

 Sylvilagus (Tapeii) ecaudatus Trouessart, Mamm. de la mission de I'Equateur, 



p. A23 (author's separate), 1910 (type locality, Quito). 

 Sylvilagus andinus chimbanus Thomas, Ann. Mag. Nat. Hist., ser. 8, vol. 11, 



p. 212, 1913 (type locality, Sinche [=Sfnchic], Guaranda).— Hershkovitz, 



Occ. Papers Univ. Michigan Mus. Zool., No. 393, p. 12, 1938 (Rfo Chimbo, 



above Chambo; discussion). 

 S[ylvilagus] a[ndinus] chimbanus, Cabrera, Trab. Mus. Nac. Cienc. Nat., Madrid, 



ser. zool., No. 9, pp. 6-8, 1913 (comparison, distribution). 

 [Sylvilagus] andinus chimbanus, Krumbiegel, Zool. Anz., vol. 137, p. 26, 1942 



(Chimborazo). 

 Sylvilagus andinus carchensis Hershkovitz, Occ. Papers Univ. Michigan Mus. 



Zool., No. 393, p. 5, 1938 (type locality, near San Gabriel, Carchi). 



Holotype. — Adult female, skin and skull, B. M; collected July 2, 

 1897, by W. F. H. Rosenberg. 



Type locality. — Western slope of Mount Cayambe, Pichincha Prov- 

 ince, Cordillera Oriental, Ecuador; altitude, 4,000 meters. 



Distribution. — Paramo zones and interandean highland savannas of 

 Ecuador from Colombian border south to the Rio Paute Valley, 

 province of Cafiar; altitudinal range, approximately between 2,600 

 and 4,500 meters above sea level. 



Characters. — Pelage long, soft, dusky in appearance, with gray wool 

 hairs showing tlu"ougli at sm-face; sides slightly paler than back; 

 underparts grayish; cheek, side of neck, crown at anterior base of ears 

 dark gray mixed with buffy and black; circumorbital band buffy with 

 or without dark suborbital patch; upper surface of fore and hind foot 

 pale, with more white than ochraceous. 



Measurements. — Means and extremes of nine adults (five from La 

 Compania, Pichincha, and fom' from near San Gabriel, Carchi): 

 Total length, 349 (338-355); tail, 25.3 (20-31); hind foot, s. u., 66.7 

 (64-73) ; ear from notch, 56 (52-61), same dry, 50.8 (48-55) ; condylo- 

 basal length, 60.5 (58.6-63.1); zygomatic breadth, 32.8 (32.2-33.8); 

 length of nasals, 27.2 (26.2-28.4); greatest combined width of nasals 

 across premaxillary sutures, 13.4 (12.8-14.8); least length of palatal 

 bridge, 6.5 (5.9-7.2) ; distance between outer sides of maxillary plates 

 of tooth rows, 19.9 (19.3-20.6); alveolar length of molar row, 13.0 

 (12.3-13.4). 



Remarks. — Separation of chimbanus from andinus was based solely 

 on a difference in respective lengths of their nuchal patches. The re- 



