from Efulen in Camaroon. 617 



nasal bristles, it is very strange that it should be specifically 

 distinct, as Mr. Bates has collected specimens of both species 

 in the same locality at the same time of year. Dr. Zenker 

 has also found them together, and Professor Sjostedt has 

 killed specimens of both species with the same shot. G. pelt 

 has always a wash of pale olivaceous below, while only one 

 bird from the Lower Congo has stripes on the chest, and 

 the nasal bristles are almost absent. It would seem as if 

 G. peli were the young of G. calvus ! 



68. Heliobucco bonapartii. 



Gymnobucco bonapartei Hartl. ; Reichenow, J. f. O. 1890, 

 p. 12; id. Yog. Afrikas, ii. p. 139 (1902). 



Heliobucco bonapartei (Hartl.) ; Sharpe, Ibis, 1902, p. 93. 

 a. S ad. Efulen, Jan. 30, 1902. " Ovol." 



b : ^ a( !' \ „ March 11-26, 1902. 

 c, a. $ ad. > 



e. ? ad. „ Dec. 19, 1902. 



69. BUCCANODON DUCHAILLUI. 



Barbatula duchaillui Cass.; Sharpe, Hand-1. ii. p. 181 

 (1900) ; id. Ibis, 1902, p. 93. 



Bt'ccanodon duchaillui Reichenow, t. c. p. 142 (1902). 



a. ? ad. Efulen, Jan. 18, 1902. "Eve'evol." 



b. S ad. „ July 9, 1902. 



c. d. S imm., ? ad. Efulen, Oct. 20, 1902. 

 e. S ad. Efulen, Nov. 22, 1902. 



/,</. ? ad. „ Dec. 5, 11, 1902. 



70. Barbatula subsulfurea. 



Barbatula subsulfurea (Fras.) ; Sjost. K. Sv. Vet.-Akad. 

 Handl. xxvii. p. 53 (1895) ; Sharpe, Hand-1. ii. p. 182 

 (1900); Reichenow, t. c. p. 148 (1902). 



a. S • Efulen, June 2, 1902. " Omvek." 



b. $ . River Ja, Jan. 6, 1904. 



71. Barbatula leucol.ema. 



Barbatula leucolcema J. & E. Verr. ; Reichenow, J. f. O. 

 1.896, p. 12; Sharpe, 1. c. (1900). 



