SCIURUS. 105 



length, 54; zygomatic width, 31.4; length of nasals, 16.4; palatal 

 length, 23.2. (Bangs, 1. c.) 



73. richmondi (Sciurus), Nelson, Proc. Biol. Soc. Wash.,xn, 1898, p. 146. 

 RICHMOND'S SQUIRREL. 



Type locality. Escondido River, fifty miles above Bluefields, 

 Nicaragua. 



Geogr. Distr. Tropical lowland forests along the Escondido River, 

 Nicaragua. 



Genl. Char. Similar to S. &. hoffmani, but more ochraceous, 

 under parts and tail washed with yellow. 



Color. Upper parts and base of tail dark ochraceous brown, 

 darkest on crown and median part of back; sides of head yellowish 

 brown; orbital ring buffy; outer side of arms, hands, and sides of 

 neck, ochraceous; outer side of thighs dark ochraceous brown, feet 

 similar but more ochraceous; under parts buffy yellow to dingy 

 ferrugineous ; tail above black, washed with yellowish, beneath 

 grizzled yellowish brown narrowly bordered with black and edged 

 with dull yellow; ears dark ochraceous brown, with small yellow 

 basal patch, but the latter not always present. 



Measurements. Total length, 368; tail vertebrae, 164; hind foot, 

 53.5. Skull: average of five; basal length, 42.1 ; palatal length, 22.1 ; 

 interorbital breadth, 16.3; zygomatic breadth, 30.4; length of upper 

 molar series, 8.3. 



variabilis morulus (Sciurus), Bangs, N. Eng. Zool. Club, n, 1900, 



P. 43- 



variabilis True, Proc. U. S. Nat. Mus., vn, 1884, p. 596. 

 LION HILL SQUIRREL. 



Type locality. Loma del Leon, Panama. 



Genl. Char. Skull similar to that of 5. variabilis from Colombia, 

 but wider and heavier. 



Color. Upper parts mixed yellow ferrugineous and blackish brown ; 

 dorsal region darker, blackish at base of tail; upper surface of legs 

 like back of arms, ferrugineous; chin, lips, and cheeks tawny olive; 

 under parts bright ferrugineous; tail above blackish at base and tip, 

 remainder bright ferrugineous, beneath tawny olive and blackish, 

 outer margin ferrugineous, tip black. 



Measurements. Male. Total length, 435-490; tail vertebrae, 

 200-235; hind foot, 55; ear, 20-25. Skull: basal length, 46.2; oc- 

 cipito-nasal length, 55.2; zygomatic width, 34; mastoid width, 23.6; 

 interorbital width, 17.8; width behind postorbital processes, 20.2; 

 length of nasals, 17 ; length of palate to palatal notch, 25 ; upper tooth 

 row, 9.4; lower tooth row, 10; mandible, 32.2. 



