101 [Vol. XXXV. 



Culmen 13 mm. ; wing 61 ; tail 33 ; tarsus 14. 



Hab. Northern British Nyasalaiid, westwards to North- 

 eastern Rhodesia, East Belgian Congo, and North Angola, 

 north to west of Lake Tanganyika. 



Type in the British Museum : c? ad. Chambezi Valley, 

 North-eastern Rhodesia, 6. v. 08. S. A. Neave coll. 



Dendropicos fuscescens cosensi, subsp. n. 



Adult male. Similar in size to D.f. massaicus or D.f. hem- 

 prichii, but differs from both in the general isabelline 

 coloration of the dark markings, both above and below ; 

 the white barring of the mantle and wings is also tinged 

 with isabelline. Basal half of the upper tail-coverts golden- 

 isabelline, the apical half red. 



Culmen 19 mm.; wing 81 ; tail 36; tarsus 15. 



Hab. Senegal. 



Type in the British Museum : J" ad. Senegal. R. B. 

 Sharpe coll. 



This new race is named in honour of Capt. Gr. P. Cosens. 



Dendropicos lafresnayi loandae, subsp. n. 



Adult male. Differs from D. I. lafresnayi in having the 

 green of the back very similar in colour to D. a. hartlaubi, 

 and in having the mantle always barred, the barring being 

 rather less indistinct than in either D. I. lafresnayi or Z). a. 

 hartlaubi ; the rump is tinged with red ; the abdomen is less 

 streaked, and these markings are narrower, than in either 

 D. I. lafresnayi or D. a. hartlaubi. 



Culmen 19 mm. ; wing 85 ; tail 43 ; tarsus 14. 



Hab. Loanda District, Portuguese West Africa. 



Type in the British Museum : ^ ad. Loanda, Portuguese 

 West Africa, v. 69. J. J. Monteiro coll. 



Thripias namaquus intermedius, subsp. n. 



Adult male. Differs from T. n. namaquus in having the 

 auricular patch as in T. n. schoensis, and from this latter in 

 having the chest as in the typical form. 



Culmen 35 mm. j wing 137 ; tail 69 ; tarsus 22. 



