NO. 17 NKW SPI'.CIKS 01? i;aST Al'RICAN RODlvNTS — IIKI.M'.K II 



Cliiiractcrs — Sv/.v larp-, skull Imi;; snouted ; under parts bright 

 urangc-rnfous. 



Coloration. — Upi)cr parts uniform seal brown, becoming lighter 

 oidy on lower sides where the coloration merges gradually from 

 burnt umber to tlie cinnamon rufous of tbe belly. Feet lighter than 

 back, Vandyke brown, 'i'ail (|uite blackish above and on the sides, 

 the median under sm'face becoming lighter. Under fur of upper 

 (jarts clu'stnnt brown. Under ])arts from chin to base of tail bright 

 cinnamon rufous, the color unibjnn to tbe roots of the hair. 



Mcasiirciiiciils. — TTead and body, 136 mm.; tail, 72; hind foot, 

 22.5. vSktdl: condylo-incisivc length, 31; basilar length, 27; zygo- 

 matic breadth, 15.5; interorbital width, 6.7; length of nasals, 14; 

 length of upper toothrow, 5; conrlylo-incisive length of mandible, 



22.5. 



Compared to ansor^ci of the Kavirondo c<;untry of ]'.ritish F.ast 

 Africa, this form has the under parts much brighter red, the in- 

 tensity of tbe rt'(l persisting tbroiigb old age. Sikapusi, which has 

 the same bright mider ])arts, is a smaller race with a decidedly 

 broader skull, with shorter, more convex nasal bones. 



LOPHUROMYS NUDICAUDUS, new species 



Type from Kfulen, lUila country, Kamerun ; adult male, number 

 125436, U. S. Nat. Mtis.; collected by (\. f.. Hates, August 4, 1903; 

 original number, 26. 



Characters. -'\'a\] essentially naked, the annidations conspicuous; 

 hair very harsh ; skull with small llaltened bullre and shortened brain 

 case, the ])arietal bones sliort. 



Coloration.— \l\)]K'r parts uniform seal l)rown, the liair uniform 

 in color to the roots on median line, but ligbtening on sides. Feet 

 Vandyke brown. Undi'r parts chieriy cinnamon rufous, the chest 

 orange rufous. Tail quite naked, witli distinct annn.lations, uni- 

 form deep seal brown in color. 



Mca.surcwoits. — Total length, 166 mm.; (ail (skin), 60; foot, 

 18.5. Skull: condylo-incisivc length, 25; basilar length, 21; zygo- 

 matic width, 13. 5 ('api)roximate) ; interorbital width, 6.5; length of 

 nasals, 11.6; length of u])per toothrow, 4.4; condylo-tncisive length 

 of manflible, 17. 3. 



This is a small species of Li>phuroniy.'; and fliffers from the other 

 described species in its very nnicb harsher fur and essentially naked 

 tail. 



