^%T'] PROCEEDINGS OF THE NATIONAL MUSEUM. 603 



teriiiiiial ring of buff and a black tip. Both black and buff become 

 gradually less conspicuons on the sides and fade into the Avhite of the 

 belly. Hairs of the belly gray at the base and Avhite at the tip ; on 

 the throat they are entirely white. Fore and hind feet entirely white, 

 the hairs longer than is usual in this group ; those at the extremity of 

 the toes extending beyond the claws, but not concealing them. Claws 

 white. Soles naked, purplish-brown (in alcohol), including the tuber- 

 cles, which are pitted and not striated. Scales of the tail, both above 

 and below, dark brown ; tlie hairs of the upper side dark brown, of the 

 under side white. 



Skull exactly comparable to that of Mus musciiJus, except in size. 

 Teeth similar, but the anterior tubercles of the first lower molar when 

 worn form a quatrefoil instead of a trefoil. Posterior lower molar 

 triangular, the apex directly backward, 



Di7nenf<ioiis of the hodij in millimeters.* 



Cat. Ko 



Lengtli of bead aud body 77. 



Length of tail vertebrae 93. 



Leugtb of car from lower margin of orifice to tip 16. 5 



Lengtli of bind foot, witb claw 23. 



Diviensions of the sl-itll i)t millimeter.s. 



Cat. No. 



:16005 

 . 21354 



Basi-cranial lengtli, from foramen magnum to posterior base ot 



incisors 21. 5 



End of palate to po.sterior base of incisors 12.0 



Length of upper molars 4.6 



Length of nasals 11.0 



Greatest zygomatic breadth 14. 



Length of lower molars 4. 4 



The type specimen, No. 21004, female, was received in alcohol. After 

 being measured, it was made up as a dry skin. The exact locality on 

 the Tana Eiver in which it was obtained was not indicated. 



Accompanying Mr. Chanler's collection was an immature specimen 

 of Ifannomys, apparently JST. mhiinms, collected at Wange on Manda 

 Island, north of Lama, by Mr. Gustav Denkhardt. 



* From the alcoholic specimen before skinning 



