242 ON THE GENUS PYCNONOTUS 



Hab. South China and Formosa; Japan (teste Salvador!, 

 Mem. Ac. Tor. XXXIX, p. 123). 



A great number from both localities. 



2. Pachycephalixus hainanus. 



Jxus hainanus Swinhoe , Ibis 1870, p. 253; David & Oust. Ois. 



Chine, p. 141 (1877), 

 Pycnonotus hainanus Sharpe , Cat. B. VI, p. 150 (1881). 



Hab. The Islands Hainan and Naochow. 

 One specimen from Naochow Island. 



Genus Stictognathus , a. g- 



Type: Stictognathus taiuanus (Styan). 



Closely related to Pachh/cepJialixus as to its pachyce- 

 phaline character, but easily distinguished by the scarlet 

 spot on the base of the lower mandible, and by the want 

 of the olive-yellow lateral edgings to the feathers on up- 

 per and lower surface. — Two species known. 



Range. The mountainous regions of Southern China 

 and of Formosa. 



Key to the species. 



a. Upper surface of wing and tail richly tinged with 



olive-yellow, under tail-coverts white, edged with olive, taivanus. 



h. Upper surface brown, the quills but slightly edged 



with olive, under tail-coverts golden yellow . . . xanthorrhous. 



1. Stictognathus taivanus. 



Pycnonotus taivanus Styan, Ibis 1893, p. 470; id. id. 1894, p. 

 337, pi. IX. 



Hab. The mountainous regions of South Formosa. 

 Not represented. 



2. Stictognathus xanthorrhous. 



Pycnonotus xanthorrhous Anderson, Pr. A. S. Bang. 1869, p. 265; 



Sharpe, Cat. B. VI, p. 139 (1881). 

 Ixus xanthorrhous Swinh. P. Z. S. 1871, p. 369; David & Oust. Ois, 



Chine, p. 141, pi. 45 (1877). 



Notes from the Leyden Museum, Vol. XVII. 



