916 RODENTIA 



?. Pajares, Leon. 0. Thomas (p). 8. 2. 9. 61. 



{N. Gonzalez.) 



2 6. Arrechavaleta, Vitoria. O. Thomas (p). 8. 2. 9. 65-66. 



{N. Gonzalez.) 



2 6, 9. Panticosa, Huesca. O. Thomas (p). 8. 2. 9. 62-64. 



(N. Gonzalez.) 



5 ?. Pinares de Quintanar, G. S. Miller (c). 8. 8. 4. 52-56. 



Burgos. (8. 8. 4. 52. Type of suhspecies,) 



SciURUS VULGARIS INFUSCATUS Cabrera, 



1905. Sciurus infuscatus Cabrera, Bol. Real Soc. Espail. Hist. Nat., v, 

 p. 227, April, 1907. Type in U.S. National Museum. 



1909 Sciurus vulgaris infuscatus Miller, Ann. and ]\Iag. Nat. Hist., 8th 

 ser., Ill, p. 418, May, 1908. 



1910. Sciurus vulgaris infuscatus Trouessart, Faune Mamm. d'Europe, 

 p. 121. 



Ti/pe locality. — -Las Navas, Avila, Spain. 



Geographical distrihniion. — Central Sjaain. 



Diarjnosis. — Largest of the European squirrels (condylobasal 

 length of skull, 52 • 4 to 55 mm.) ; colour very dark, the two 

 phases if present not well defined ; tail rusty red, its under 

 surface conspicuously sprinkled with pure white hairs ; cheeks 

 and throat strongly contrasted in colour. 



Colour. — Upper parts a rich, faintly grizzled dark brown, the 

 general efiect nearly the mummy-brown of Ridgway, the posterior 

 half of back darker and less grizzled than shoulders and neck ; 

 underfur slate-grey, the tips of the hairs russet ; face rather 

 abruptly russet, the muzzle tinged with bufi"; cheeks below and 

 behind eyes an indefinite drab brown, noticeably contrasted with 

 svu-rounding parts, especially with white of throat ; ears russet, 

 the longer hairs dusky ; feet rufous, somewhat darker than that 

 of Ridgway, this colour sufi'using outer surface of fore leg and 

 extending up inner surface of hind leg to thigh, though in both 

 instances duller and more brownish on leg than on foot ; under- 

 parts buffy white, the extreme bases of hairs inconspicuously 

 gi-eyish, the white covering entire inner side of fore leg to wrist, 

 and extending as a narrow line down inner side of hind leg to 

 lieel and sole ; tail a rich dark red, between the rufous and 

 ferruginous of Ridgway, the distal half usually with a slight 

 dusky cast, the entire tail sprinkled with pure white hairs, this 

 inconspicuous above but tending to form a whitish, often very 

 noticeable median area below. 



,S7i«// and teeth. — Except for their lai'ger size the skull and 

 teeth do not difter appreciably from those of the central European 

 forms. 



Measurements. — Type (adult male) : head and bod}-, 280 ; 

 tail, 230 ; hind foot, 65 ; ear, 33. Adult female from La Granja, 

 Segovia : head and body, 256 ; tail, 220 ; hind foot, 66 ; ear, 33. 

 For cranial measurements see Table, p. 922. 



