11 [Vol. xxi. 



Centropus monaciius occidentalism subsp. n. 



Adult male and female. Differ from C m. monachus from 

 North and Central Abyssinia in having the secondary-quills 

 dark olive-brown^ the back not pure rufous, but mixed with 

 dark olive-brown, and the bill usually somewhat larger. 



Hab. West Africa from the Gold Coast to the Gaboon. 



Type in the Tring Museum: $. Ombrokua (Ugomo), 

 Ogowe River, 26. viii. 07. W. J. Ansorge coll. 



Obs. Specimens from the White Nile and Sobat Rivers 

 resemble the West-African form in coloration, but have a 

 smaller bill ; those from Sidamo and Doko in Southern 

 Ethiopia [cf. J.f O. 1904, p. 379) have the back pure rufous 

 as in C. m. monachus, but the secondary-quills olive-brown, 

 as in the West-African bird. 



Centropus monachus angolensis, subsp. n. 



Adult mule and female. Tliis form is in every respect 

 intermediate between C. m. occidentalis, Neum., and C. m. 

 cupreicaudus, Reich., which ranges from Benguella and 

 German South-west Africa to Lake Nyasa aud the Zambesi 

 Region. The gloss of the head is iutermediate between the 

 steel-blue of C. m. monachus and C. m. occidentalis and the 

 purple of C. m. cupreicaudus : the tail of nearly the same 

 coppery-brown as that of C. m. cupreicaudus; the upper 

 back rufous and dark olive-brown, not pure olive-brown as 

 in C. m. cupreicaudus ; the rump dark rufous and dark 

 blue ; and the upper tail-coverts and part of the rump barred 

 as in C. m. cupreicaudus. 



Hab. North Angola. 



Type in the Tring Museum: <J . Canhoca, 17. xii. 03. 

 W. J. Ansorge coll. 



Neocossyphus rufus gabunensis, subsp. n. 



Neocossyphus rufus, Sharpe (nee Fisch. & Reich.), Ibis, 

 1908, p. 125. 



Adult male and female. Similar to N. r. rufus, Fisch. & 

 Reich., from German East Africa, but much smaller. 



Wing, S 114-116, ? 107-112 mm.; tail, S 98-102, 

 ? 92-95 mm. ; tarsus 26-27 mm. 



