MILLER AND REHN: NORTH AMERICAN MAMMALS. 37 
1885. Scvurus niger True, Proc. U. S. iiat. raus., vii 
(1884), p. 595. 1885. 
1896. ^Sciuriis ludomcianus vicinus Bangs, Proc. biol. soc. 
Washington, x, p. 150. December 28, 1896. 
1900. SciiO'us ludomcianus neglectus Nelson, Proc. biol. 
soc. Washington, xiii, p. 170. October 81, 1900. 
Type locality.— Wilmington, Delaware (see Nelson, Proc. 
biol. soc. Washington, xiii, p. 170.) 
* Sciurus niger Linnaeus. 
1758. [^Sciurus'] niger Linnaeus, Syst. nat., x eel., i, ji. 64. 
1885. i^ciurus niger niger True, Proc. IT. S. nat. mns., yii 
(1884), p. 595. 1885. 
Type locality.— Probably southern South Carolina (the 
name is based on Catesby’s black fox squirrel). 
Subgenus Guerlinguetus Gray.^ 
1821. Guerlinguetus Gray, London med. repos., xy, p. 304, 
April, 1821. Type.— Sciurus guerlinguetus Sciurus aes- 
tuans Linnaeus. 
* Sciurus aestuans hoffmanni Peters. 
1863. Sciurus aestuans Yar. hoffmanni Peters, Monatsber. 
k. preuss. Akad. Wissensch. Berlin, p. 654. 
1885. Sciurus aestuans rufoniger, True, Proc. U. S. nat. 
mns., YU (1884), p. 595. 1885. 
1899. Sciurus aestuans hoffmanni Nelson, Proc. Washing¬ 
ton acad. sci., i, p. 98. May 9, 1899. 
Type locality. — Costa Rica. 
Sciurus richmondi Nelson. 
1898. Sciurus richmondi Nelson, Proc. biol. soc. Washing¬ 
ton, XII, p. 146. June 3, 1898. 
Type locality. — Escondido Rixer, fifty miles aboYe Blue- 
fields, Nicaragua. 
* Sciurus variabilis morulus Bangs. 
1885. Sciurus variabilis True, Proc. TJ. S. nat. mus., yii 
(1884), p. 596. 1885. 
1 Revised by Nelson, Proc. Washington acad. sci., i, pp. 98-101. May 9,1899. 
