78 Mr. G. Dollman on (he African Shrews 

 Skull-dimensions : — 



?• <?. c?. 2- 



T il-p N" Balir-el- Bahr-el- Babr-el- 



Gliazal. Ghazal. Ghazal. 



mm. mm. mm. mm. 



Condvlo-incisive length . . 25 25 24-5 24-8 



Greatest breadth 107 106 107 10-4 



Least interorbital breadth. 4-5 4 - 5 5 4 - 8 



Length of palate 103 104 9-8 10 



Postpalatal length ...... 11 11 10-9 11 



Greatest maxillary breadth. 7-5 7-8 7"8 77 



Median depth of brain-case. 5*5 5'5 55 5*5 



Length of upper tooth-row. 10-8 108 10-5 107 



Hah. Near Bahr-el-Abiad. 



(35) Crocidura beta, sp. n. 



Darker than hindei, with a considerably smaller and 

 narrower skull. 



Size of body given as about in the Machakos form, hind 

 foot smaller. 



Colour of upper parts dull chocolate-brown (near (t sepia ") 

 mottled with greyish buff, the brownish tint gradually fading 

 on the flanks and passiug rather imperceptibly into the 

 greyish white of the ventral surface. Belly rather strongly 

 tinged with yellow, a condition probably due to some 

 secretion of the lateral glands, which are marked by a streak 

 of short white hairs. Backs of hands and feet dirty buff. 

 Tail darker above than' in hindei, as dark as the general 

 colour of the back, below white ; bristle-hairs numerous, 

 white in colour. 



Skull considerably smaller, with narrower and rather 

 flatter brain-case. Teeth all a little smaller, second and 

 third unicuspids less circular in transverse section, more 

 triangular, and crushed closely together. 



Dimensions of the type (measured in the flesh) : — 



Head and body 85 mm. ; tail 45 ; hind foot 12'5 ; 

 ear 1.2-5. 



Skull : condylo-incisive length 228 ; greatest breadth 9*7 ; 

 least interorbital breadth 4 3 ; length of palate 9'5 ; post- 

 palatal length 10; greatest maxillary breadth 7'5 ; median 

 depth of braiu-case 5*1 ; length of upper tooth-row 10. 



Hah. Charnia River, British East Africa. 



Type. Adult male. B.M. no. 12. 7. 1. 67. Original 

 number 10. Collected on December 23rd, 1910, by 



