— 104 — 



Nkimann correctiv pointed ont tliat Niam-Ximn spécimens were 

 sinaller than Uganda birds. 

 Tluis at a glance : 



I Xiani-Xiam, Fr Eq. Afr., 

 L. b. aequatorialis.) X. Bel<,'ian Cont,'o wingaverage 101,5 inni. 



(Uganda . id. 104,3111111. 



L b. aethiops . 



Sudari id. 98,8 mm. 



Abyssiuia id. 98,8 mm. 



13espite occasional birds appearing to upset thèse calculations. 

 I consider that the material in the National Collection (I hâve not 

 examined anv spécimens froni Tring upon which birds Neum.\nn 

 foimded his racei proves Neumann to hâve been justified in separa- 

 ting the Abvssinian form and we must inchide the Siidan birds 

 with it. 



Qymnobucco calvus calvus. 



Bucco calvus Lafresnaye, Kev. Zool., 1841, p. 241. — Tvpe 

 locality : Not given (Ashantee, Gold Coast). 



Two spécimens of the Naked-faced Barbet were seoured by 

 Mr. LowE at Iju water works. We hâve a large séries from the 

 Gold Coast where the species seems to be numerous. 



There are two races of this Barbet : 



I. — Gymnobucco calvus calvus. 

 Cf. supra. 

 Range. — Southern Nigeria, Gold Coast, Libéria. 



Distingiiishing charactcrs. — Colour imiform brown ; top and 

 sides of head naked, a small hair-like vellowish tuft at base of lower 

 mandible. 



