PEROMYSCUS. 211 
FLurry Mouse. 
Type locality. Todos Santos, Guatemala. Altitude, 10,000 feet. 
Genl. Char. Similar to P. melanocarpus, but smaller and with 
a shorter and less hairy tail; hands white. 
Color. Like P. melanocarpus; tail blotched with yellowish white 
on under side; hands and part of forearm white; hind foot with 
V-shaped dusky mark from ankle half-way to base of toes; rest of 
foot white; pectoral spot strongly developed. 
Measurements. Total length, 228; tail vertebre, 115; hind foot, 
28. Skull: greatest length, 31; Hensel, 24; zygomatic width, 14.6; 
interorbital constriction, 5; length of nasals, 11.5; palate, 4.8; post- 
palatal length, 11.2; length of upper molar series, 4.6. 
186. guatemalensis (Peromyscus), Merr., Proc. Biol. Soc. Wash., 
mit, 1096, Pp. 118. 
Topos Santos Mouse. 
Type locality. Todos Santos, Guatemala. Altitude, 10,000 feet. 
Geogr. Distr. State of Chiapas, Mexico, into Guatemala; range 
unknown. 
Genl. Char. Size large; tail long, hairs scanty; fur long, sott. 
Color. Above mixed dusky and grayish, blackish on dorsal 
region; indistinct line from nose to ear; flanks brownish fulvous, as 
are also the cheeks; salmon fulvous patch on breast; under parts 
and hands white; hind feet dusky, then white; wrists and ankles 
blackish; tail above dusky, beneath whitish. 
Measurements. Total length, 273; tail vertebre, 141; hind foot, 
31. (exType.) Skull: zygomatic width, 16:5; interorbital constric- 
tion, 5; length of nasals, 14.5; palatal length, 14; length of upper 
tooth row, 4; length of mandible, angle to alveolus of incisor, 15; 
height at coronoid process, 6.2; length of lower tooth row, 5. 
187. cacabatus (Peromyscus), Bangs, Bull. Mus. Comp. Zodl., 
EERIE, 1902, Pp. 20. 
Sooty Mouse. 
Type locality. Boquete, Chiriqui, Panama. Altitude, 5,000 feet. 
Genl. Char. Allied to P. guatemalensis, but paler and with a 
shorter tail. 
Color. Dorsal region sooty; sides brownish grading into dull 
orange buff on lower sides; sides of nose buffy white; top of nose 
and orbital ring black; under parts varying from dull grayish white 
to pinkish buff; pectoral collar orange buff; feet and hands white; 
tail above dusky, beneath pale yellowish gray; ear dusky. 
