Birds from British East Africa and Uganda. 31 



19. Pteroclurus exustus ellioti. Elliot's Sand-Grouse. 



Pterochs elliuti Bogd. Bull. Ac. Sci. Pctcrsb. xxvii. no. 2, 

 1881, p. 167 : Abyssinia. 



a. $ ad. Rift Valley, 30 miles N.W. of Baringo, 2800 ft. 

 Dec. 29. 



In good plumage and not Avorn. A rather pale specimen, 

 very close to some Indian bii'ds, but having richer coloured 

 wing-coverts. 



Total length in flesh : 12^ inches. Wing : 171 mm. 



[Irides brown; bill bluish white ; toes dirty grey. Several 

 large flocks seen.] 



In naming this bird I have had occasion to examine the 

 whole series of the exustus group, Avhicli appear to comprise 

 the following races : — 



Pteroclurus exustus exustus Temm. PI. Col, v. 1825, 

 pis. 354, 360 : west coast of Africa, Senegal. 



Egyptian specimens may be taken as typical, and these 

 are large and dark in colour. jSIales dark above and white 

 wing-spot distinct ; females dark and well marked. 



Wing : c? (4 measured) 195-184 mm. ; V (5 measured ) 

 187-170 mm. 



Range. Senegal to Egypt. 



Pteroclurus exustus elltoti Bogd. op. cit. 



P. e. somalicus Hartert (Nov. Zool. 1900, p. 28 : Milmil, 

 Somaliland) is a synonym. 



Small, richer in coloration, especially on the greater 

 wing-coverts. More white on the average on the tips of the 

 6th-10th primaries. 



Wing : (J (12 measured) 181-171 mm. ; ? (10 measured) 

 175-165 mm. 



Range. Abyssinia, Somaliland, B.E.A., west to Lake 

 Chad. 



Two males and three females from Kilimanjaro are much 

 darker than normal specimens of P. e. ellioti, especially 

 the females, but without further material I refrain from 

 doing anything with them, especially as some males from 



