﻿NO. l6 NEW RODENTS FROM AFRICA — HELLER 7 



Only the type was secured on Lololokui. Mount Lololokui is a 

 gigantic table mountain which has received its Samburr name, 

 Lololokui, or head, from its commanding southern face, which 

 rises vertically as a sheer precipice three thousand feet above the 

 plain it dominates. 



LOPHUROMYS AQUILUS MARGARETT^, new subspecies 



Uaragess Harsh-furred Mouse 



Type from Mt. Gargues (Uaragess) Mathews Range, 6000 feet 

 altitude, British East Africa; adult male, number 181793, U. S. Nat. 

 Mus. ; collected by Edmund Heller, August 27, 191 1 ; original num- 

 ber, 4126. 



Characters. — Allied to zena, but smaller, darker colored and 

 longer tailed; the absence of light speckling gives this race a simi- 

 lar dark dorsal color to rubecula, but it is smaller in size with darker 

 feet; skull smaller than zena, with smaller teeth and bullae and 

 natter interorbital region. 



Coloration. — Dorsal color seal brown, the sides of head and body 

 lighter Vandyke brown; russet speckling very slight, only evident 

 on head and sides of body ; feet hair brown ; the toes and tarsal 

 region whitish; ears blackish; underparts tawny-ochraceous, with a 

 slight dusky clouding, sharply contrasted with the dark sides. Tail 

 bicolor, seal brown above, below whitish. 



Measurements. — Head and body, 120 mm. ; tail, 80; hind foot, 21 ; 

 ear, 18. Skull: greatest length, 30; condylo-incisive length, 29; 

 basilar length, 25; zygomatic breadth, 15; interorbital constriction, 

 6; nasals, 12.2 x 3; palatilar length, 13.3; palatal foramina, 6.8; 

 diastema, 8.2 ; maxillary toothrow, 5.3 ; condylo-incisive length of 

 mandible, 20.4; coronoid-angular depth of mandible, 9. 



The large series of topotypes is remarkably uniform in dorsal 

 color and size, but shows the usual color variation of the underparts 

 from fulvous and buffy tints to dark vermiculated patterns. 



EPIMYS ALLENI KAIMOSiE, new subspecies 

 Kakumega Pygmy Forest Mouse 

 Type from Kaimosi, Kakumega Forest, British East Africa; adult 

 female, number 18 1794, U. S. Nat. Mus.; collected by Edmund 

 Heller, February 1, 1912; original number, 5527. 



Characters. — Size of stella, but ears much larger and pelage 

 longer, the dorsal area less reddish, and black orbital ring continu- 

 ous with a black band to tip of snout. Skull size of stella, but 



