the Genera Tati'va and Tatt'iilliis. 29.'i 



b' . I lend nnd Ihxly 1*20 mm. ; hind f<Hit L'O ; 

 skull .'5-1; hraiii-case lo ; molars 5. 

 < it'iieral colour " vinaceous cinnamon." 



(l?alir-el-( Jhnzal.) T. lutlfri, .sp. u. 



c' . Head and body 120mm. ; hind footSl ; 

 .skull 36 ; brain-case 10 ; molars o. 



(U. E. A.) 7'. ostjiiodi, .sp. n. 



b. Colour paler. Head and body 120 mm.; 

 hind foot .30 ; skull 37 ; brain-case 145 ; 

 molars li'I. General colour " ocluaceous 



bufV." (Lake Chad.) T. InniKtri-^, Th. & \Vr. 



B. Size smaller. 

 rt. Head and body 100 mm.; hind foot 28 ; 

 skull 31; bnun-ca.-!e 14; molars 4-5. 

 General colour "clay colour." (Lake 



Rudolf.) T. harritKitoni, Thos. 



h. Head and body 92 mm. ; hind foot 29 ; 

 skull 32: brain-case 14; molars .11. 

 General colour Mai-s-brown. (Gambia.) T. gracilis, Thos. 



Taterillus osf/oodi, sp. n. 



A Taterillus about the size of 2\ emi'ni, distinguislied by 

 its daikfv colouring and broader stouter skull. 



Size about as in T. cntitii. General colour above ferrugi- 

 nous russet, becoming more purely ferruginous on tli(! flanks, 

 individual hairs blackish slate basally (10 mm.), then ferru- 

 ginous (2"3 mm.), with a sharp black tip; below pure white. 

 Hands and feet white. A band of a few scattered short pale 

 hairs across the tarsus behind the liallucal pad. Proxinial 

 half of tail clothed with short ferruginous hairs, darker above, 

 paler below, distal half furnished (especially above) with long 

 (10 mm.) blackish-brown hairs forming a long tuft. 



Skull of the same size as in emini, but much broader and 

 stouter, the characteristic long posterior palatal foramina 

 fairly well developed. 



Dimensions of the t^'pe (measured in the flesh) : — ■ 



Head and body 117 mm.; tail 150; hind foot 31; ear 

 17-5. 



Skull : greatest length 3G'5 ; basilar length 27 ; zygo- 

 matic breadth 18; nasals 15; least interorbital breadth 6 ; 

 brain-case breadth IG'5 ; diastema 10; anterior palatal fora- 

 mina 5"5 ; posterior palatal foramina -l; upper molar series 

 4-b; bunrelO-3. 



Hah. British East Africa (Type from Vol. Alt. 2000'.) 



Type. Adult male, liudd Collection. Original number 

 958. (Collected on 16th Apiil, 1910. 



Air. Kemp sent a series of seven specimens. 



