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‘ 
i 
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; 
Fes., 1910. New East ArricAaNn MammMaLts—Oscoop. 7 
tail vertebrae 96; hind foot (c. u.) 19. Skull of type: Greatest length 
20.4; basilar length 14.6; zygomatic breadth 10.7; nasals 7.1; 
palatine slits 4.1; maxillary toothrow 3.3; length of m* 2. 
Dendromus nairobe sp. nov. 
Type from Nairobi, British East Africa. No. 16709, Field 
Museum of Natural History. Old male. Collected November 6, 
1905, by E. Heller. 
Characters. Allied to Dendromus ochropus and D. nyike but tail 
shorter and color much brighter; upperparts bright tawny, with the 
black dorsal stripe sharply contrasted; zone of tawny color relatively 
wide; underparts pale creamy whitish; ears pale ochraceous; feet 
‘white, slightly touched with fulvous; tail distinctly bicolor; inner side of 
hind leg without dusky spot above tarsal joint. Skull very broad, 
with heavy, angled zygomata, the zygomatic breadth slightly greater 
anteriorly than posteriorly. 
Measurements. Type: Total length 163; head and body 83; tail 
vertebre 85; hind foot (c. u.) 18; ear 14. Skullof type: Zygomatic 
breadth 11.6; nasals 8; palatine slits 3.9; maxillary toothrow 3; 
length of m 1 1.7.. 
Dendromus whytei pallescens subsp. nov. 
Type from Lukenya Mountain, British East Africa. No. 16710, 
Field Museum of Natural History. Adult male. Collected Decem- 
ber 28, 1905, by E. Heller. 
Characters. Similar to Dendromus whytei but paler; general 
color of upperparts pale buffy ochraceous instead of tawny; under- 
parts creamy white, nearly pure white on chin and throat; facial 
region without dusky markings; dorsal stripe obsolescent, consisting 
of an indistinct narrow line of dusky-tipped hairs mixed with fulvous. 
Measurements. Type and one topotype, respectively: Total 
length 147, 137; head and body 69, 60; tail vertebre 78, 77; hind 
foot (c. u.) 15.5, 16; ear 11.2, Skull of type: Greatest length 19.8; 
basilar length 14.8; zygomatic breadth 10.3; nasals 7.2; palatine 
slits 3.7; maxillary toothrow 3; length of m? 1.8. 
Zelotomys gen. nov. 
Type. Mus hildegardee Thomas (=Zelotomys hildegardee). 
Characters. Size medium (hind foot 22-24); tail shorter than 
head and body; ear moderate, rounded; mammz 2-2=8. Skull 
short and broad; braincase very short; frontals but little expanded 
posteriorly, their supraorbital boundaries smoothly rounded; nasals 
