402 
HORN EXPEDITION—MURIDS.. 
Ears small and almost naked within ; laid forward, they do not reach the eye 
by a diameter. Feet and toes white. Tail shorter than the head and body, 
scantily clothed with stiff hairs, black above, white beneath, everywhere fully 
exposing the scales, which average twelve to the centimetre. 
Skull .—Stout and angular ; nasal region short and thick; the nasals project 
very little beyond the line of the premaxillary, and are narrow when compared 
with the width of the combined maxillai'ies; supraorbital ridge prominent, 
continued as a temporal ridge, thence less defined along the outer suture of the 
interparietal to the prominent occipital crest; crest for attachment of the temporal 
muscle also largely developed. The anterior palatina foramina narrow, extending 
backwards almost to between the centre of the antei’ior molars ; the anterior 
zygoma root is rounded and does not project above ; the front edge is slightly 
concave. 
Teeth .—no anterior cusp. The first and second lamina have each three 
cusps, the inner ones very large ; the last lamina has no inner cusp. antereo- 
internal cusp large ; first lamina with three cusps, the second with two, no outer 
one. an antereo-internal cusp; the lamiiim have each two cusps. 
Dimensions. 
A c? 
B 3 - 
C juv. 3 
Head and body - 
- 
- 
14G-5 
1400 
llG-0 
Tail 
- 
- 
121-0 
IIGO 
111-5 
Length of head - 
- 
- 
45-0 
40-4 
3G-5 
Muzzle to ear 
- 
- 
3G-1 
31-5 
29-8 
Ear 
- 
- 
lG-0 
15-2 
13-2 
Forearm and hand 
- 
- 
37-5 
33-3 
32-0 
Hind foot 
- 
- 
29-6 
27-2 
2G-5 
Heel to front of last foot-pad 
- 
15-2 
14-G 
13-4 
Last foot-pad 
- 
- 
4-7 
3-5 
3-4 
