93 | Vol. xl. 
Range. E. Kilimanjaro thorn-bush country to South 
Ukambani. 
Type in Tring Museum. ¢@ ad., 30. 3.18, Tsavo. Dr. van 
Someren Coll. 
Obs. A large series was collected. 
Dryodromus rufifrons turkanz, subsp. nov. 
» Nearest to typical rujfifrons, but differs in having the 
rufous of the forehead extending to the posterior angle of 
the eye, and in having the white edges to the wing-feathers 
wider. Mantle rather darker. 
Wings 44 mm. 
Range. Hast Uganda to Lake Rudolf. 
Type in Tring Museum. @ ad., January 1918, Meuressi, 
Turkwell River. Dr. van Someren Coll. 
Obs. Seven specimens were collected all uniform in colora- 
tion. 
Prinia mistacea immutabilis, subsp. nov. 
This race, hitherto confused with tenella Cab. (which is 
limited to the coastal belt), is characterised by being consider- 
ably larger and much darker, more brownish-olive on the 
mantle and more ochraceous-buft below, especially on the 
flanks. It lacks the wide white supercilium found in 
the coastal bird. The wing-feathers are more edged with 
brownish. 
Wings 53-57 mm. 
Range. Hast Africa from Ukambani to Uganda (not 
including the S. Ankole River district). 
Type in Tring Museum. 4 ad., 15. 5.18, Nakuru Lake. 
Dr. van Someren Coll. 
Obs. For further remarks and description, I would refer 
readers to my report to be published in the ‘ Ibis.’ 
Hedydipna platura karamojoensis, subsp. nov. 
This race differs from the typical form by being much 
greener, lacking the golden tinge to the metallic feathers ; 
and differs most of all in the character of the metallic 
