LASIURUS. DASYPTERUS. 595 
561. cinereus (Vespertilio), Beauvois, Cat. Peale’s Mus. Phil., 1796. 
p- [5. 
pruinosus Say, Long’s Exped. Rocky Mts., 1, 1823, p. 167. (Foot- 
note.) 
cinereus (Lasturus), Elliot, Syn. N. Am. Mamm., 1901, p. 413. 
Hoary Bat. 
Type locality. Philadelphia, Pennsylvania. 
Geogr. Distr. North America from the Atlantic to the Pacific, at 
different seasons, south through Mexico, Central and South America 
to Chili. 
Genl. Char. Size large; ears with edges black; foot half as long 
as tibia. 
Color. Above umber brown, hairs tipped with silvery white; 
throat, head, and under side of membranes yellowish brown; band of 
umber brown below throat: ventral surface whitish. 
Measurements. Total length, 130-140; tail vertebre, 52-58; 
tibia, 23-24; foot, 9-10; forearm, 46-55; thumb, 10—10.6; longest 
finger, 101-110; ear from meatus, 17-18; width of ear, 15—-17.7; 
tragus, 9-9.5. Skull: occipito-nasal length, 17; Hensel, 9; zygo- 
matic width, 11; mastoid breadth, 10; palatal length, 7.5; inter- 
orbital constriction, 4.5; length of mandible, 12; lower tooth row 
exclusive of incisor, 6. 
118. Dasypterus. 
IT. —_. 3 Ge Avion iw 
= LC; Pa MV. —a0: 
IT? 2 3 
Dasypterus Peters, Monatsb. K. Preuss. Akad. Wiss. Berlin, 1870, 
(1871), p. 912. Type Lasturus intermedius Allen. 
Upper incisor in contact with canine; skull short, very broad 
and deep; ear tapering at tip, naked on half of dorsal surface; inter- 
femoral membrane furred on half of dorsal surface; mamme four. 
KEYo ROE SPECIES AND SUBSPECIES: 
PAGE 
A. Posterior third of interfemoral naked....... D. intermedius 595 
B. Posterior half of interfemoral naked. 
amecneekcrnot black nome c ee. Sits toe D. ega xanthinus 597 
Dee Cee ksi lacks pata science hie tel eto s D.ega panamensis 597 
562. intermedius (Lasiurus), H. Allen, Proc. Acad. Nat. Scien. Phil., 
, 1862, p. 246. Elliot, Syn. N. Am. Mamm., rgo1, p. 414. 
INTERMEDIATE Bat. 
Type locality. Matamoros, State of Tamaulipas, Mexico. 
Geogr. Distr. State of Tamaulipas, Mexico, north to Gulf States 
of the United States. 
