BANGS: CHIRIQUI MAMMALIA. 29 
feet, but was not taken above or below these heights. While showing the 
group characters quite as strongly as either of its Mexican congeners, M. flavi- 
dus is very different specifically ; its yellowish coloration and rounded elevated 
brain case at once distinguishing it. 
. 
Peromyscus cacabatus,! sp. nov. 
Type. — Mus. Comp. Zodl., No. 10,225, ad., 9 Boquete, April 22,1901. 5,000 feet. 
One hundred and thirty-one specimens, Boquete, 4,000 to 7,500 feet, Jan- 
uary to April. 
Characters. — Probably nearest to P. guatemalensis Merriam (Todos San- 
tos, Guatemala, 10,000 feet), tail shorter and colors not so dark; palatal slits 
shorter and wider; nasals in old age, more expanded at tips, like those of 
P. furvus Allen and Chapman. 
LAN / Lb 
PAN / /f 
PPA, 
SID 
tf 
: 
ESR 
: SE 
LAs 
PD 
Liz 
Se 
2 
wae aa Sa 
ALLL2 
SSS 
8.  xolg O3 See 
Fies. 8 anv 9. Peromyscus cacabatus. Type. 
Fig. 10. P. cacabatus, very old @. No. 10,202, to show expansion of nasals in 
old age. 
Color. — A broad dorsal band sooty, becoming less intense and browner on 
sides of back and gradually passing into dull orange-buff on lower sides; 
sides of nose, at base of whiskers, dull grayish or buffy white; top of nose, space 
between base of whiskers and eye, and orbital ring black; under parts —a 
broad pectoral collar, dull orange-buff, rest of under parts varying from dull 
grayish white to strong pinkish buff, — usually with chin and throat grayish 
white, and belly grayish white, washed with pinkish buff—; feet and hands, 
whitish ; ears, nearly naked, dusky ; tail nearly naked, dusky above, usually 
pale, yellowish gray below (the tail is very variable, the paler color below is 
1 Cacabatus, sooty (color). 
