108 Dr. G. Hartlaub on a new Barbet. 



Exped.) at Tette^ both "much smaller than the southern bird, 

 and somewhat diflferently coloured. Is this difference due to 

 age ? " All I can say is that the measurements taken by 

 Dr. Reichenow of a specimen of TV. caJJ'er from Kakoma 

 (5° 47' S. lat.) correspond exactly with those taken by me 

 of a Cape specimen in the Bremen collection. Wing 100 mill., 

 tail 95 mill., culmen 20 mill. 



2. Trachyphonus margaritatus, Riipp. 

 Bucco margaritatus, Cretschm. Riipp. Atl. t. 20. 

 Tamasia erythropyga, Ehrenb. Symb. Phys. t. vii. 

 Capita margaritatus, Goff. Mus, Pays-Bas, Buccon. p. Q7 ; 



Heugl. Orn. N.O.-Afr. p. 764; Finsch & Hartl. Ostafr. 

 p. 506 (syn.) ; Marsh. Monogr. t. 57; Finsch, Trans. Zool. 

 Soc. vii. p. 281; Oustal. Somal. Miss. Revoil, Ois. p. 7; 

 Salvad. Ucc. dello Scioa, p. 70. 



Restricted to the warmer portions of N.E. Africa and East 

 centr. Africa (south of 18° N. lat., Heugl; of 16° N. lat., 

 Brehurb) ; Bogosland, Adail and Danakil coast, Rilpj)., 

 Heugl., Brehm, Antinori. Not to be found in the more 

 southern districts on the White Nile, where TV. arnaudi 

 takes its place. Never observed near Lado by Emin Bey. 

 Common in all lowland localities, from the coast to Shoa : 

 Antinori. 



Salvadori states that the black throat-spot is wanting in 

 the female, but is constantly present in the younger bird. 



3. Trachyphonus arnaudi, Prev. & Desra. 

 Micropogon darnaudi, Prev. & Desm. in Lefebr. Abyss. Ois. 



p. 133; Heugl. Ornith. N.O.-Afr. p. 765 ; id. Ibis, 1861, 

 pi. 5. 



Trachyphonus squamiceps, Heugl. System. Uebers. no. 482. 



Capita squamiceps, Goff. Mus. Pays-Bas, Buccon. p. 20; 

 Marsh. Monogr. pi. 58; Hartl. Abhaud. nat. Ver. Brem. 

 vii. p. 113. 



Western coast of the Bahr-el-Djebel, between 7°-9° N. 

 lat. : Heuglin. Upper White Nile : common about Lado, 

 whence Dr. Emin Bey has sent many specimens. 



No difference in the colour of the sexes. 



