ALLEN: BATS OF THE GENUS CORYNORHINUS. 339 
Burke’s Garden, Virginia, a cusp is barely indicated by a minute 
shoulder. In macrotis this cusp is normally well developed. 
Measurements.— No. 157076, Biol. Surv. Coll., from Burke’ «Gautier 
Bland County, Virginia: forearm 45 mm. es of three adults 
44.1); digit III, metacarpal 39.8; first phalanx 13.8; second phalanx 
19; tibia 19. Collector’s measurements: total length 107 mm., tail 
49; hind foot 12; extent of wings 320. 
Skull: greatest length 17.4 mm.; basal length 14; palatal length 8; 
zygomatic breadth 9; interorbital constriction 4; mastoid breadth 9.2; 
width of braincase 8.6; upper tooth row 6.7; lower tooth-row 7.3. 
Remarks.— The discovery of a Corynorhinus distinct from C. ma- 
crotis, from extreme western Virginia, westward, in the eastern United 
States was wholly unexpected. It is the eastern representative of the 
desert-colored pallescens of west-central United States, from which it 
chiefly differs in its somewhat darker, more drab, coloration. The 
skull is a trifle larger as well. I have applied to it Rafinesque’s name 
megalotis, based on specimens which he collected from “ the lower parts 
of the Ohio”’ River probably in southern Indiana or western Ken- 
tucky, where the genus is known to occur at the present time (see 
Cory, 1912, p. 476). Rafinesque’s description is brief, yet I think 
unmistakable in the light of our present knowledge. Nevertheless, 
Miller, in 1897, rejected his name as unidentifiable and applied Le 
Conte’s later name, macrotis, to the species of Corynorhinus in eastern 
North America. The discovery of a species in the interior distinct from 
macrotis makes it necessary either to erect a new name or to recognize 
megalotis as applicable to it, and this latter course I propose to adopt. 
In 1818, Rafinesque sent to the editors of the American Monthly 
Magazine brief accounts of the animals he discovered in the course of 
his journey “through the western region of the United States,” and 
gave new names to many of these. In one of these communications 
written in October, he gave a brief statement of certain supposed new 
species obtained since July, during which time he says, he had visited 
“the lower parts of the Ohio, the Wabash, Green River, Barrens, 
Prairies, and the states of Indiana, Illinois, &c.”’ This is the general 
locality whence he obtained the new bat which he describes as follows: 
“9. Vespertilio megalotis R. (Big-eared Bat.) Tail three-eighths 
of total length, body dark gray above, pale gray beneath, ears very 
large, duplicated, auricles nearly as long. Length 4 inches, breadth 
12 inches.”’ 
The evident similarity to the Old World Plecotus, led Lesson in 
1827 to change the genus and (as the custom then was) the specific 
