113 ' 



1825. Sciurus magnicaudatus, Harlan, Faun. Amer., 1825, 178. — H. Smith, 



Griffith's Cuvier's An. King., 1827, 225. — Lesson, Man. de Mam., 

 1827, 235.— Fischer, Synop. Mam., 1829, 351.— Bachman, Proc. 

 Zool. Soc. Lond., 1838, 88 j Charlesworth's Mag. Nat. Hist., iii, 

 1839, 156; Silliman's Amer. Jour. Sci. and Arts, xxxvii, 1839, 

 296.— Wagner, Suppl. Schreber's Saug., iii. 1843, 166.— Schinz, 

 Syn. Mam., ii, 1845, 11.— Kennicott, U. S.-Pat. Off. Rep. Agr., 

 1856 (1857), 66, pi. vi. 



1826. Sciurus macroureus, Godman, Amer. Nat. Hist., ii, 1826, 134. — 



Woodhouse, Sitgreaves's Col. and Zuni Rivers, 1853, 53. 

 1838. Sciurus svhauratus, Bachman, Proc. Zool. Soc. Lond., 1838, 87 ; 



Charlesworth's Mag. Nat. Hist., iii, 1839, 156 ; Silliman's Amer. 



Jour. Sci. and Arts, xxxvii, 1839, 295. — Wagner, Suppl. Schre- 

 ' bar's Saug., iii, 1843, 164.— Aud. & Bach., Quad. N. Am., ii, 1851, 



67, Iviii. 

 1838. Siurus auduboni, Bachman, Proc. Zool. Soc. Lond., vi, 1838, 97 



(Louisiana; dusky variety) ; Charlesworth's Mag. Nat. Hist., iii, 



1839, 378.— Wagner, Suppl. Schreb. Saug., iii, 1843, 182.— 



Schinz, Syn. Mam., ii, 1845, 12. — Aud. & Bach., Quad. N. Am., 



iii, 1854, 260, pi. clii, fig. 2. 

 1842. Sciurus occidentalis, Aud. & Bach., Jour. Acad. Nat. Sci., Phila., viii, 



1842, 317. 

 1851. Sciurus rubicaudatus, Aud. & Bach., Quad. N. Am., ii, 1851, 30, 



pi. Iv. 

 1851. Sciurus sayi, Aud. & Bach., Quad. N. Am., ii, 1851, 274, pi. Ixxxix. 

 1856. Sciurus limilis, Baird, Proc. Acad. Nat. Sci., Phila., vii, 1855, 331 ; 



Mam. N. Am., 1857, 256 (Texas; immature). 

 1867. Macroxus ludovicianus, Gray, Ann. and Mag. Nat. Hist., 3d series, 



XX, 1867, 426. 

 1874. Sciurus cinereus, var. ludovicianus, Allen, Proc. Bjst. Soc. Nat. Hist., 



xvi, 1-874, 287.— Jordan, Manual Vertebrates, 1878, 28, 2d ed. 

 1877. Sciurus niger, var. ludovicianus, A11.,.U. S. Geolog. Surv. Terr., vol. 

 xi, p. 718. 



Varietal Characters. — Length of body 12 to 13 inches, ranging from 11 

 to 14 ; tail vertebrae 9f , ranging from 8J to lOJ ; tail to end of hairs 12J, 

 from 11 to 13^. Above dusky-gray, with a strong rufous suffusion; ears, 

 feet, and ventral surface fulvous, varying to bright ferruginous. The 

 whole under parts are occasionally black, or mixed black and rufous — 

 never apparently wholly black, or with the under surface pure white. 



Known from var. niger by its smaller size ; besides, niger is gray above 

 and whitish beneath, and occurs only from Maryland to Louisiana. 



