MILLER AND REHN: NORTH AMERICAN MAMMALS. 37 



1885, Sciurus niger cinereus True, Proc. U. S. nat. raus., vii 



(1884), p. 595. 1885. 

 1896. Sciurufi ladov ician.it s vicii)its Bangs, Proc. biol. soc. 



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

 1900. iSciin'KS ludovicianus neglectus Nelsg^t, Proc. biol. 



soc. Washington, xiii, p. 170. October 81, 1900. 

 Type locality. — ^Wihnington, Delaware (see Nelson, Proc. 



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



Sciurus niger Linnaeus. 



1758. \_Sciwus] niijer Linnaeus, Syst. nat., x ecL, i, p. 64. 

 1885. tSciums niger niger Tkue, Proc. U. S. nat. mus., vii 



(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., xv, p. 304. 

 April, 1821. Type. — Sciurus guerlinguetus Giiay= /Sciurus aes- 

 tuans Linnaeus. 



* Sciurus aestuans hoffmanni Peters. 



1863. Sciurus aestu.ans var. Jiojfmanni 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 hoffnuuini 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 luorulus Bangs. 



1885. Sciurus variabilis True, Proc. JJ. S. nat. mus., vii 

 (1884), p. 596. 1885. 



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



