NO. 17 NEW SPECIES OF EAST AFRICAN RODENTS — HELLER 3 



Characters. — Dorsal coloration buffy, as in lorraineus, but size 

 much less. 



Coloration. — General dorsal colors buffy, overlaid by sepia, the 

 buffy purer on sides and head and sharply defined against the gray 

 of the under parts. Eye surrounded by a narrow black ring, which 

 is continuous with a black streak to the tip of the snout. Cheeks 

 creamy buff' to level of eyes, where some fulvous separates it from 

 the darker color of the upper parts; this light creamy color ascends 

 behind ears and appears above them as a whitish tuft above each 

 ear. Under parts grayish, washed with pale primrose yellow. 

 Fore feet whitish, hind limbs broccoli brown like the tail ; the toes 

 and sides of the feet white. Tail above broccoli brown, the hairs 

 lightening at tip and forming a light border; under surface lighter 

 grayish or brown, but darkening toward tip, where it is the color 

 of the upper surface. 



Measurements. — Head and body, 82 mm.; tail, 63; hind foot, 14; 

 ear, 10. Skull; condylo-nasal length, 23; zygomatic breadth, 13.5; 

 length of nasals, 8.5 ; interorbital width, 4.3 ; length of upper tooth- 

 row, 3. 



Skull smaller than lorrainens, with shorter snout and smaller 

 teeth. This species resembles lorraineus most closely in color and 

 size. From smithii, which is about the same size, it differs widely 

 in color, being buft'y instead of grayish, with a distinct black eye- 

 ring. 



There is but a single specimen in the collection. 



DENDROMUS SPECTABILIS, new species 



Nii,E Black-fronted Tree Mouse 



Type from Rhino Camp, Lado Enclave ; adult female, number 

 164815, U. S. Nat. Mus. ; collected by J- Alden Loring, January 18, 

 1910; original number, 8783. 



Characters. — Like nigrifrons, but lighter, the under parts pearl 

 gray ; feet whitish and the upper parts cinnamon fawn. 



Coloration. — Color of upper parts cinnamon fawn, changing on 

 lower sides and head to tawny buff, but not sharply defined against 

 the pearl gray of the under parts ; a wide black median dorsal line 

 from shoulders to root of tail, widest anteriorly and narrowing 

 gradually posteriorly ; a median black spot on forehead midway 

 between eye and ear. Snout lighter than rest of head, pure buffy 

 yellow ; base of whiskers and area between eye and tip of snout 



