What is "lepus sylvaticus"

Cottontail \Cot"ton*tail`\ (k[o^]t"t'n*t[=a]l`), n. (Zo["o]l.) The American wood rabbit ( Lepus sylvaticus); -- also called Molly cottontail.

Desert \Des"ert\, a. [Cf. L. desertus, p. p. of deserere, and F. d['e]sert. See 2d Desert.] Of or pertaining to a desert; forsaken; without life or cultivation; unproductive; waste; barren; wild; desolate; solitary; as, they landed on a desert island.

He . . . went aside privately into a desert place.
--Luke ix. 10.

Full many a flower is born to blush unseen, And waste its sweetness on the desert air.
--Gray.

Desert flora (Bot.), the assemblage of plants growing naturally in a desert, or in a dry and apparently unproductive place.

Desert hare (Zo["o]l.), a small hare ( Lepus sylvaticus, var. Arizon[ae]) inhabiting the deserts of the Western United States.

Desert mouse (Zo["o]l.), an American mouse ( Hesperomys eremicus), living in the Western deserts.