616 
U S. P. R. R. EXP. AND SURVEYS-ZOOLOGY-GENERAL REPORT. 
much black as almost to form a continuous tint on the hack, with only a slight break here and 
there. There is also a greater amount of black on the cheeks. The white of the under parts 
is rather purer. 
The slightest comparison of specimens of this species with sylvaticus will show the very great 
differences between them. Of approximately the same size, the head and incisors are very 
much larger ; the hind feet, ears, and tail much shorter ; the former very slender and acutely 
pointed. The colors are very different, in the absence of the light yellowish red, or ligh^ 
reddish brown of the back, and in having the rump dark rusty instead of gray. The under 
parts lack the clear cottony white of the other species, especially under the tail. The under 
fur of the back is entirely of a uniform dark smoky gray, except towards the rump, where it is 
tipped with paler. The bristly hairs of the hack, which in winter are an inch and a half long, 
are entirely of a glossy black, with a subterminal annulus of yellowish brown about a quarter of 
an inch long, and about that distance from the tip. The anterior face of the hind legs is rusty. 
In Lepus sylvaticus the under fur is of a much paler plumbeous, with a well defined broad tip of 
yellowish brown. The long hairs of the hack are much shorter, the black much more restricted, 
the yellowish brown median annulus much more extended. The anterior face of the hind legs 
is nearly white. 
The differences from L. aquaticus have already been given under the head of that species, 
where, also, will he found a reference to its peculiar habits. 
This animal is found in the south Atlantic States, from North Carolina (according to Bach¬ 
man) to Georgia and Florida. Audubon and Bachman mention it as occurring in Louisiana 
and Texas. I have never seen any specimens from the regions west of Georgia, and should be 
much inclined to doubt the correctness of Texas as a locality. 
* The following are additional measurements of skulls from St. Simon’s island, Ga: 2203, 3.04 + 1.50; 2204, 3.25 -f- 1.50; 2205, 3 16 + 1.51; 
2206,3.15 + 1.54 ; 2207,2.97 + 1.45 ; 2453, 3.17 + 1.60 ; 2454,3.03 + 1.45; 2455, 3.14 + 1.55, &c. The usual range is from 3.05 to 3.20 for length, 
and 1.46 to 1.62 for width. 
In addition to the species of hares which I have characterized above, there are two or three 
others which the materials before me do not permit me to describe or discuss. These are as 
follows: 
