2 SMITHSONIAN MISCELLANEOUS COLLECTIONS \OL. 56 



in all these specimens is rather shallow, and so faint that usually 

 only one groove is evident without magnification. 



TATERA POTH^, new species 



Type from Potha, Kapiti Plains, British East Africa ; adult fe- 

 male; number 161716, U. S. Nat. Mus. ; collected by J. A. Loring. 

 April 30, 1909; original number 6013. 



Coloration. — Above tawny-ochraceous lightly lined with blackish 

 hairs posteriorly. Tip of snout black. Eyes narrowly ringed with 

 black; a white spot between eye and ear and a partially hidden one 

 at posterior base of ear. Color of sides of head and body changing 

 from the darker dorsal area through ochraceous to ochraceous-buff, 

 but sharply defined against the pure white of the underparts. Ears 

 thinly haired with blackish. Feet white ; inside of hind limbs about 

 ankle blackish. Underparts pure white, the hair white to the roots. 

 Tail above brownish, the color deepening and spreading to under 

 side on tip, where it becomes black; below, anteriorly, ochraceous 

 like sides. 



Measurements. — Head and body, 152 mm.; tail, 203; hind foot, 

 40. Skull : condylo-nasal length, 42.5 ; basilar length. 33 : zygo- 

 matic breadth, 21.5; interorbital constriction, 7; nasal, 20; diastema. 

 II. 2; maxillary toothrow, 7. 



This form is most closely allied to vidua of Kitui. which is a 

 smaller-footed and darker-colored race wdth smaller teeth. From 

 mombascu it differs in its shorter ears, much heavier and longer hair 

 and the absence of the median dark stripe on the inferior surface of 

 the tail. 



EPIMYS PANYA, new species 



Type from Juja Farm, Athi Plains, British East Africa; adult 

 male; number 161886, U. S. Nat. Mus.; collected by J. A. Loring, 

 May 23, 1909; original number 6220. 



Coloration. — Above buffy, overlaid by black, the individual hairs 

 medially buffy brown with black tips, interspersed with longer black 

 hairs. Sides purer buff, merging gradually into the grayish of the 

 under parts. Under parts whitish with a faint buffy tinge, the hairs 

 slaty at base. Feet white. Ears blackish and appearing quite 

 naked, but clothed sparingly by minute hairs. Tail naked, uniform 

 dusky. 



Measurements. — -Head and body, 119 mm.; tail, 119; hind foot, 

 22.5. Skull: condylo-nasal length, 29.5; basilar length, 23.5; zygo- 

 matic breadth, 14.4; nasal, 11.8; interorbital constriction, 4; dias- 

 tema, 8; maxillary toothrow, 5.1. 



