1825. 
1826. 
1838. 
1838. 
1842. 
1851. 
1851. 
1855. 
1367. 
1874. 
SAMs 
” 113 
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; Charlesworth’s Mag. Nat. Hist., 111, 
1839, 156; Silliman’s Amer. Jour. Sci. and Arts, xxxvii, 1839, 
296 —Wagener, Suppl. Schreber’s Saug., i11. 1843, 166.—Schinz, 
Syn. Mam, ii, 1845, 11—Kennicott, U. S. Pat. Off. Rep. Agr., 
1856 (1857), 56, pl. vi. 
Sciurus macroureus, Godman, Amer. Nat. Hist., ii, 1826, 134.— 
Woodhouse, Sitgreaves’s Col. and Zufii Rivers, 1853, 53. 
Sevurus subauratus, Bachman, Proc. Zodl. Soc. Lond., 1838, 87 ; 
Charlesworth’s Mag. Nat. Hist., iii, 1839, 155; Silliman’s Amer. 
Jour. Sci. and Arts, xxxvul, 1839, 295.—Wagner, Suppl. Schre- 
ber’s Saug., 111, 1843, 164.— Aud. & Bach., Quad. N. Am., 11, 1851, 
Oielivaniin 
Siurus audubonit, Bachman, Proc. Zodl. Soc. Lond., vi, 1838, 97 
(Louisiana; dusky variety); Charlesworth’s Mag. Nat. Hist., 111, 
1839, 378.—Wagner, Suppl. Schreb. Siiug., iii, 1843, 182— 
Schinz, Syn. Mam, ii, 1845, 12.—Aud. & Bach., Quad. N. Am., 
ili, 1854, 260, pl. clii, fig. 2. 
Scvwrus occidentalis, Aud. & Bach., Jour. Acad. Nat. Sci., Phila., viii, 
1842, 317. 
Sciurus rubicaudatus, Aud. & Bach., Quad. N. Am., ii, 1851, 30, 
pl. lv. 
Scowrus sayz, Aud. & Bach., Quad. N. Am., 11, 1851, 274, pl. Ixxxix. 
Sciwrus limetis, Baird, Proc. Acad. Nat. Sci., Phila., vii, 1855, 331; 
Mam. N. Am., 1857, 256 (Texas; immature). 
Macroxus ludowceanus, Gray, Ann. and Mag. Nat. Hist., 3d series, 
xx, 1867, 426. 
Sciurus cinereus, var. ludovicianus, Allen, Proc. Bust. Soc. Nat. Hist., 
xvi, 1874, 287.—Jordan, Manual Vertebrates, 1878, 28, 2d ed. 
Sciurus niger, var. ludoviccanus, All., U. S. Geolog. Surv. Terr., vol. 
xi, p. 718. ° 
Varietal Characters.—l.ength of body 12 to 13 inches, ranging from 11 
to 14; tail vertebra 92, ranging from 84 to 103; tail to end of hairs 124, 
from 11 to 183. 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 eccurs only from Maryland to Louisiana. 
