540 Capt. G. E. Shelley on Birds 



Phylloscopus trochilus, Dresser, B. Eur. ii. p. 491, pi. 7Q ; 

 Seebohm, Cat. B. Brit. Mus. v. p. 56. 



a. cJ, Shonga, 24th December: upper mandible horn- 

 colour ; lower mandible yellowish ; legs horn-colour, soles 

 yellow. 



9. Hypolats opaca. 



" Hypolais opaca (Licht.)," Cab. Mus. Hein. i. 1850, 

 p. 36; Hartl. Orn. W.Afr. p. 60; Dresser, B. Eur. ii. 

 p. 531, pi. 82. fig. 1 ; Seebohm, Cat. B. Brit. Mus. v. p. 83. 



a. cJ , Shonga, December : upper mandible horn-colour ; 

 lower mandible yellowish ; legs greenish grey. 



Although I consider H. opaca to be only a western race of 

 H. pallida, I find the characters assigned for the separation 

 of these two forms are recognizable on comparing the above 

 specimen with a male of H. pallida in ray own collection from 

 Lado in N.E. Africa. 



10. ACROCEPHALUS TURDOIDES. 



Acrocephalus arundinaceus , Dresser, B. Eur. ii. p. 579, 

 pi. 88. 



Acrocephalus tiirdoides, Seebohm, Cat. B. Brit. Mus. v. 

 p. 95; List Brit. B. 1883, p. 19. 



a. (?, Shonga, November: iris olive; bill horn-colour, 

 fading into flesh-colour towards the base of the lower man- 

 dible; feet bluish grey. b. $, Shonga, December: iris 

 olive -brown. 



This species is new to the Niger district, having, so far as 

 I know, only been previously collected in W. Africa on the 

 Congo by Messrs. Lucan and Petit. 



11. Melocichla mentalis. 



Drymoica mentalis, Eraser, P. Z. S. 1843, p. 16. 



Melocichla mentalis, Hartl. Orn. W.Afr. p. 58. 



a. (J , Shonga : iris brown, greyish round pupil ; bill very 

 dark horn-colour, tip of mandible yellowish ; legs light grey. 

 b. $ , Shonga : iris pale creamy yellow ; upper mandible dark 

 horn-colour; lower one pale flesh-colour; legs livid flesh- 

 colour, c. ? J Lukoja : iris brownish yellow ; bill pale bluish ; 



