82 ZOOLOGICAL RESEARCHES 



length of the wing varies from 7,3 to 8 cM. The size 

 of the bill is in all the specimens about the same , and in 

 adult and somewhat younger birds the inside of the bill , 

 the angle , and edges as well as the nasal grooves are yel- 

 low , the feet yellowish flesh-color. These peculiarities may 

 thus not be considered to be characteristical for immature 

 birds only. 



63. Andropadus v ir ens. 



Andropadus virens , Cass. Proc. Acad. Philad. 1857, p. 34; — Hartl. 

 Orn. W. Afr. p. 264; — Sharpe, Cat. Birds Br. Mus. VI. p. 109 

 (1881); — Boc. Orn. d'Augola, p. 249 (1881). 



Four specimens , Junk River. 



A.mongst these four specimens there is so much difference 

 in size and color , that I only with much hesitation came 

 to the conclusion that they all must belong to this 

 one species. Especially in the size of the bill the variation 

 is so striking, that were no intermediate links between 

 the most different forms, those differences would nearly 

 be sufficient to base different genera upon. The many spe- 

 cimens, already contained in our Museum, have also not 

 been able to throw more light upon the question. One of 

 my four specimens (N° 184) has a very broad and short 

 bill and is undoubtedly a true A. virens. An immature 

 male (N°. 185) with more rusty red wings and a tolerably 

 slender bill , which has the tip, the cutting edge and base 

 yellow , agrees with Dr. Hartlaub's A. erythropterus , said 

 by Mr. Sharpe (Cat. B. Br. Mus. Vol. VI. p. 110) to be 

 the young of A. virens. Both these specimens have the 

 feet ochraceous flesh-color. 



The two other specimens (N°. 90 and 179) have the feet 

 dark brown , and the bill is still more slender than in the 

 previous specimen , conspicuously compressed towards the 

 tip and somewhat bent downwards, resembling much that 

 of Chrysococcyx. The crown in both specimens is conspicu- 

 ously darker than the back , i. e. grayish olive-brown in- 



Notes from the Leyden M^useum, Vol. X. 



