156 
len that the animal was formerly rather common, though never abundant, 
in all the wooded region north of the Ohio, but‘is not now found (west of 
Ohio) south of the forests of northern Wisconsin and southern Michigan. 
Dr. Rufus Haymond, in Indiana Geological Survey, 1869, gives the Porcu- 
pine as an inhabitant, “now very rare,” of Franklin county, Indiana, 
adjacent to Butler county, Ohio. 
FAMILY LEPORIDZ. 
The Hares are a strictly congeneric group, constituting “one of the 
most natural and best defined groups among mammals.” 
Dental formula: i. 2:2; pm. 2:3;.m. 23. Molars rootless; hind legs - 
and feet elongated; ears large and long; tail erect, bushy, short (some- 
times rudimentary); fur usually soft, thick, and loose; rami of lower jaw 
large, deep, and flattened ; orbits large; optic foramina confluent; palate 
reduced to a mere bridge between the premolars. The vertebral pro- 
cesses are long and slender; acromium process of scapula provided with 
a spine at right angles to the axis of the scapula. 
GreNus Lepus Linneus. 
Ktymology: Latin, Lepus—a Hare. 
The generic characters are indicated in the description already given 
of the family. 
LEPus syLvaticus Bachman. 
Var. sylvaticus. 
Woep Hare; Gray RaBsir; Woop RaBsir. 
1792. Lepus nanus, Schreber, Siuget., iv, 1792, 881—DeKay, New York 
Zool., 1, 1842, 93, pl. xxvii. 
1822. Lepus americanus Desmarest, Mamm., ii, 1822, 351.—Harlan, Faun. 
Amer., 1825, 193.—Audubon, Birds of Am., pl. 51.—Fischer, 
Synop. Mam., 1829, 376 (in part only).—Bachman, Journ. Acad. 
Nat. Sci., Phila., vii, 1837, 326, pl. xvi, figs. 3, 4 (ear and foot). 
—-Emmons, Quad. Mass., 1840, 56.—Thompson, Nat. Hist. Ver- 
mont, 1342, 48. 
1837. Lepus sylvaticus, Bachman, Journ. Acad. Nat. Sci, Phila., vii, 1837, 
408; viii, 1889, 78.—Waterhouse, Nat. Hist. Mam., ii, 1848, 116. 
—Aud. & Bach., Quad. N. Am., i, 1849, 173, pl. xx1i—Wood- 
house, Sitgreave’s Col. and Zufi River Exp., 1853, 55 (eastern 
Texas and Indian Terr.).—Maximilian, Weigm. -Arch., 1861, i, 
144.—Baird, Mam. N. Am., 1857, 597, pl. vii, fig. 1 (skull); U. 
S. and Mex. Bound. Surv., ii, 1859, ii, 47 (Indianola, Texas).— 
Hayden, Trans. Am. Phil. Soc., Phila., xii, 1863, 148,—Abbott, 
Cook’s Geol. of N. J., 1868, 759.—Allen, Proc. Bost. Soc. Nat. 
