Birds from Eastern Africa. 321 



under wing-coverts. Total length 3*4 inches, culmen 0*45, 

 wing 2'3j tail I'O, tarsus 0*75. 



Hab. Mount Elgon. 



The nearest ally to this new species is probably S. rufica- 

 pilla of Bocage, but the broad white superciliary line at once 

 distinguishes it. 



11. Trochocercus albonotatus, sp. n. 



Above slate-colour, with a black crest ; wings like the back, 

 the quill-feathers more dusky ; tail-feathers blackish, the 

 outer ones with broad white tips ; under surface dark slate- 

 colour, the lower breast, abdomen, and under tail-coverts 

 white. Total length 5'6 inches, culmen 0*45, wing 2*4, tail 

 2"7o, tarsus 0*6. 



Hab. Mount Elgon. 



This seems to be a very distinct species of Trochocercus, 

 nearly allied to T. cyanomelas, but differing in the absence 

 of the white patch on the wings, and in having the tail- 

 feathers tipped with white. 



12. Graucalus purus, sp. n. 



Male. Pearly grey : wings rather darker ; primaries black, 

 edged with grey like the back; tail blackish ; base of fore- 

 head, lores, and fore part of cheeks black ; crown of head 

 lighter grey than the back ; all the region of the eye hoary 

 white; entire under surface of body slaty grey. Total 

 length 9 inches, culmen 0*7, wing 4*8, tail 3"5, tarsus 0'85. 



Female. Similar to the male, but lacking the black on the 

 lores. Total length 9*5 inches, culmen 0*75, wing 4*7, 

 tail 3-7, tarsus 0-85. 



Hab. Mount Elgon. 



This Cuckoo-Shrike is a small representative of Grauca- 

 lus ccesius of South Africa. If there had been any truth in 

 the latter species having been got in Quamamil by Prince 

 Paul of Wiirtemberg {cf. Heugl. Orn. N.O.-Afr. i. p. 420), 

 we might have expected that it would have been found to be 

 a hen of G. purus ; but Dr. Hartlaub has already pointed out 

 that Heuglin^s description of the female agrees absolutely 

 with the South-African bird, and there is no doubt that 



