MILLER AND REHN : NORTH AMERICAN MAMMALS. 37 



' 1885. Sciurus niger cinereus TRUE, Proc. U. S. nat. raus., vn 



(1884), p. 595. 1885. 

 1896. Sciurus ludovicianus vicinus BANGS, Proc. biol. soc. 



Washington, x, p. 150. December 28, 1896. 

 1900. Sciurus ludovicianus neglectus NELSON, Proc. biol. 



soc. Washington, xm, p. 170. October 31, 1900. 

 TYPE LOCALITY. Wilmington, Delaware (see Nelson, Proc. 



biol. soc. Washington, XTII, p. 170.) 



Sciurus niger Linnaeus. 



1758. [Sciurus] niger LINNAEUS, Syst. nat., x ed., i, p. 64. 

 1885. Sciurus niger niger TKUE, Proc. U. S. nat. mus., vn 



(1884), p. 595. 1885. 



TYPE LOCALITY. Probably southern South Carolina (the 

 name is based on Catesby's black fox squirrel). 



Subgenus GUERLINGTJETUS Gray. 1 



1821. Guerlinguetus GRAY, London med. repos., xv, p. 304. 

 April, 1821. Type. Sciurus guerlinguetus GRAY=/$cwrwa aes- 

 tuans LINNAEUS. 



* Sciurus aestuans hoffmanni Peters. 



1863. Sciurus aestuans var. Jwffmanni PETERS, Monatsber. 

 k. preuss. Akad. Wissensch. Berlin, p. 654. 



1885. Sciurus aestuans rufoniger, TRUE, Proc. U. S. nat. 

 mus., vii (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 River, fifty miles above Blue- 

 fields, Nicaragua. 



* Sciurus variabilis morulus Bangs. 



1885. Sciurus variabilis TRUE, Proc. U. S. nat. mus., vn 

 (1884), p. 596. 1885. 



1 Revised by Nelson, Proc. Washington acad. sci., i, pp. 98-101. May 9, 1899. 



