576 MYOTIS. 
Genl. Char. Similar to M. caltfornicus; foot larger, ear smaller. 
Color. Above clove brown; beneath light broccoli brown. 
Measurements. Total length, 68.5; tail vertebre, 38.1; tibia, 13.9; 
foot, 7.1; forearm, 34.2; thumb, 5; longest finger, 58.5; ear from 
meatus, 13.9; width of ear, 8.6; tragus, 7.6. Skull: occipito-nasal 
length, 11; zygomatic width, 5; width of braincase, 6; width of ros- 
trum, 3.5; interorbital constriction, 3; length of mandible, 9; length 
of upper molar series, 3.5; of lower molar series, 4. 
546. chiriquensis (Myotis), Allen, Bull. Am. Mus. Nat. Hist., 1904, 
P- 77: 
CHIRIQUI Bat. 
Type locality. Boqueron, Chiriqui, Panama. 
Genl. Char. Size very small; pelage thick, soft, short; wing from 
base of toes; uropatagium naked above, slightly hairy at extreme 
base below; ears medium, rather pointed, deeply incised on outer 
border. 
Color. Above very dark brown, paler beneath; basal two-thirds 
of face plumbeous; beneath surface blackish; ears and membrane 
dark brown. 
Measurements. Total length, 73; tail vertebre, 30; tibia, 11.5; 
foot, 6.5; forearm, 26; thumb, 4; third finger, metacarpal, 31; ear 
from meatus, 10; tragus, 5. Skull: total length, 13.6; mastoid 
breadth, 6.5. 
547. dominicensis (Myotis), Miller, Proc. Biol. Soc. Wash., xv, tg02, 
P- 243. 
DoMINICAN CoMMON Bat. 
Type locality. Island of Dominica. 
Genl. Char. Similar to M. nigricans, but smaller; facial line of 
skull more abruptly elevated above level of rostrum. 
Color. Above uniform Prout’s brown; beneath tinged with burnt 
umber; hairs on back blackish at base; those of under parts slaty 
black on proximal half. (Alcoholic specimen.) 
Measurements. Total length, 63; tail vertebrz, 27; tibia, 12.4; 
foot, 7; forearm, 32.4; first digit, 6.4; second digit, 28; third digit, 48; 
fourth digit, 4; fifth digit, 37; ear from meatus, 11; from crown, 8; 
width of ear, 6. Skull: greatest length, 12.4; basal length, 11.2; 
basilar length, 9.4; zygomatic breadth, 7.2; interorbital constriction, 
3; mandible, 8.8; maxillary tooth row, exclusive of incisors, 5; 
mandibular tooth row, 5. (Miller, 1. c.) 
548. yumanensis (Vespertilio), H. Allen, Mon. N. Am. Bats, 1864, 
p. 58. Elliot, Syn. N. Am. Mamm., 1gor, p. 403. 
