210 SERINUS ALBIFRONS. 



Serinus albifrons. (PI. 25, fig. 2.) 



Crithagra albifrons, Sharpe, Ibis, 1891, pp. 118, 255 Eikuyu, Mt. Elgon. 

 Serinus albifrons, SheUey, B. Afr. I. No. 296 (1896); Jackson, Ibis, 1899, 



p. 621 Ravine, Nandi; Hartert, Nov. Zool. 1900, p. 43 Nairobi ; 



Neum. J. f. 0. 1900, p. 289 Kikuiju; Sharpe, Ibis, 1902, 117 



Bavine. 

 Crithagra kilimensis, Eichmond, Auk. xiv. p. 155 (1897) Kilimanjaro. 



Adult. Upper parts brown, obscurely mottled with dark centres to the 

 feathers of the crown and mantle. Wing, with the lesser-coverts like the 

 back ; remainder washed with olive yellow on the edges of the feathers, and 

 with white terminal edges to the median and greater-coverts forming two 

 narrow bars ; under surface of the quills dark brown, slightly paler on the 

 inner edges ; asillaries and under-coverts brownish buff strongly washed 

 with chrome yellow. Tail dark brown with partial olive yellow edges to 

 the feathers. Sides of the head and neck dark brown, inclining to black on 

 the front half of the head, the chin, and the upper throat, which parts are 

 rather irregularly mottled with white ; breast and the under tail-coverts 

 isabelline, with blackish brown centres to the feathers of the flanks and 

 under tail-coverts. "Iris brown; upper mandible dusky brown; lower 

 mandible white at the base with a dusky tip ; tarsi and feet horn brown." 

 Total length 6-3 inches, culmen 0-65, wing, 3'5, tail 2-9, tarsus 0-8. J , J , 

 31. 7. 96. Eavine (Jackson). 



Immature, type. Generally slightly more rufous ; forehead buffy white, 

 and a few of the feathers of the crown edged with that colour ; pale ends 

 to the median and greater wing-coverts rufous buff. Total length 6-3 inches, 

 culmen 0-55, wing 3-5, tail 2-8, tarsus 0-75. <? , 25. 2. 90. Mt. Elgon 

 (Jackson). 



Jackson's Brown Canary inhabits eastern Tropical Africa. 



Tlie most soutliern range known to me for this species, is 

 the Kilimanjaro mountain, and its most northern is Mount 

 Elgon. On Kilimanjaro Dr. W. L. Abbott procured the type 

 of Crithagra Jcilimensis, Richmond, at an elevation of 6,000 feet, 

 p and another specimen one thousand feet higher up the moun- 



tain. Dr. R. R. Sharpe has proved that the type of Crithagra 

 Jcilimensis is a full plumaged male of Crithagra albifrons, Sharpe. 

 Mr. Jackson has collected a fine series of both adults and 

 immature specimens at the Eldoma ravine, in Nandi and in the 



