Order Rodentia. Rodents. 



Family Sciuridae. Squirrels, Marmots. 



Subfamily Sciurinae. 



Genus Sciurus (50). 



Subgenus B. Baiosciurus. 



Sciurus deppei matagalpa Allen. 



Sciurus deppei matagalpa Allen, Bull. Am. Mus. Nat. Hist., XXIV, 

 1908, p. 660. 



Type locality. San Rafael del Norte, Nicaragua. 



Genl. Char. Similar to S. deppei but upperparts yellowish brown 

 instead of rusty brown. 



Color. Head, entire upperparts, flanks and outer side of limbs, 

 mixed antimony-yellow and black, the first color being restricted to the 

 tips of the hairs, the dark one being the hue of the under fur; throat 

 white ; rest of underparts and inner side of limbs antimony-yellow, like 

 the tips of the hairs on upperparts; tail above antimony-yellow and 

 black, outer edge white, beneath mixed black and white, and edged 

 with white; hands and feet antimony-yellow like outer side of limbs. 

 Ex type in American Museum of Natural History, New York. 



Measurements. Total length, 554; tail, 240; hind foot, 45.9. 

 Skull: Total length, 48.9; Hensel, 38.9; zygomatic width, 29; inter- 

 temporal width, 15.3; length of nasals, 15.3; length of upper molar 

 series, 8.2; length of mandible, 24.7; length of lower molar series, 

 8.7. Ex type in American Museum of Natural History, New York. 



Subgenus C. Guerlinguetus. 



Sciurus variabilis choco Goldman. 



Sciurus variabilis choco Goldm., Smith. Misc. Coll., LX, 1913, No. 

 22, p. 4. 



Type locality. Cana, eastern Panama. Altitude 3,500 feet. 



Genl. Char. Similar to S. v. morulus but darker. 



Color. Top of head blackish; cheeks brownish buff; lips pale buff ; 

 upperparts light ochraceous-buff to tawny ochraceous lined with black ; 

 dorsal stripe from, shoulders to base of tail black; shoulders and sides 

 ochraceous-rufous; outer sides of forearms ochraceous-rufous mixed 



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