756 MONOGRAPHS OF NORTH AMERICAN RODENTIA. 
The habitat of this species, so far as known, is confined to Southern 
Mexico and Guatemala. 
TaBLE L.—Measurements of six specimens of SCLURUS LEUCOPS. 
, ae 
& S From tip of nose to— __| Tail to end of— | Length of— a 
a | 2 g = 
5 | = a 
a Ss . 3 7) 
o a Locality. . a z= Ce oF 
s mr is 8 S ° ° S 
2] 38 B 2 Fo ease ss g 
a siglal3|/a]38|4/2|e)e44 
% =) oS ‘3 
5/6 rim (ae dn 5 Pee | ee ae fete jst al eet 
9434 3) | Tehuantepec, Mexico ....-....-. fo | 1.05 | 1.95 |] 2.25] 12.50 9.75 | 13.00 | 1.70 | 2.80 | 0.75 | Skin, 
9432 PT easeed) do = 9 {1.10 | 1.85 | 2.30] 11.50 9.00 | 12.00 | 1.50 | 2.20 | 0.80 |..do. 
9433 ----| 1.10 | 2.00 | 2.42] 11.50 9.00 | 12.25 | 1.58 | 2.25 | 0.60 }..do. 
7176 sce] Pecooe| [tacos |lsoscsd 11.25 8.75 | 12.00 | 1.35 | 2.25 | 0.60 }..do. 
U7 (oi) |[oreees|[seacte||-o-4-e 11. 00 8.50 | 11.75 | 1.65 | 2.35 | 0.80 |..do. 
8501 fe SSS) So eSSei/4-Sase 11. 00 9.50 | 13.00 | 1.52 | 2.35 |.-..--]-- do 
TABLE LI.—List of specimens examined of SCIURUS LEUCOPS. 
: =| 
ral hae z 
2 5 _ 
fElh|| te 5 
a | 3 a 
3 5 Localit When. | ‘grom-whom received Collected by— a 
EP al ein collected. P v Ss 
eo a © 
= ‘( e 
s & vw + 
= 4 Gy 
5 | 6 \a 4 
2501 | 512] ¢ | Sierra Madre, Durango, Mexico. ..| Apr., 1863 
i | 477) 3 
7176 | 2008 |... 
9434} 30] ¢ 
9432 | 25| 9 
9433 26 
SCIURUS ASTUANS Linn. 
Brazilian Squirrel. | 
Var. ZSTUANS. 
Sciurus brasiliensis MARCGRAVE, Hist. Nat. Bras. 1648, 230.—Brisson, Regn. Anim. 1756, 154. 
Sciurus astuans Linnavs, Syst. Nat. i, 1766, 88.—Erxirnen, Syst. Reg. Anim. 1777, 421.—GMELIN, Syst. 
Nat. i, 1788, 151.—Scureper, Siiuget. 1792, 787.—Kuut, Beitriige, 1820, 68.—DESMAREST, 
Mam. 1822, 337.—Grirriry’s Cuvier, v, 668.—MaxIMILIAN, Beitriige z. Naturgesch. Brasil. ii, 
1826, 430.—I'iscnrr, Synop. Mam. 1829, 359.—WaGNER, Suppl. Schreber’s Siiuget. iii, 1843, 
16.—TscHupI, Fauna Peruana, 1844-46, 158.—Scuinz, Syn. Mam. ii, 1845, 17.—GrEBEL, 
Siinget. 1855, 652. 
Macroxus estuans “¥. Cuvier, Dict. Sci. Nat. x [1818], 248”.—LxEsson, Man. des Mam. 1827, 238.—Gray, 
Ann. and Mag, Nat. Hist. 3d ser. xx, 1867, 432. 
Sciurus estuans var. guianensis PETERS, Monatsb. K.-P. Akad. zu Berlin, 1863 (1864), 655. 
? Sciurus pusillus ** GEORFROY, Coll. Mus.”—Drsmarest, Nouy. Dict. d’Hist. Nat. x, 1817, 109; Mam. 1822, 
337 (Cayenne ; young?).—FiscnEer, Synop. Mam. 1829, 359—WaGner, Suppl. Schreber’s 
Siiuget. iii, 1843, 187. 
? Macroxus pusillus Lesson, Man. des Mam. 1827, 238.—Gray, Ann. and Mag. Nat. Hist. 3d ser. xx, 1867, 433. 
