AND SOME ALLIED GENERA. 245 



1. Kelaartia penicillata. 



Pi/cnonotus penicillatus Blyth , J. A. S, Beng. XX, p. 178 (1851). 

 Kelaartia penicillata Jerd. B. of Ind. II, p. 86 (1863); Legge , Birds 



Ceylon, p. 480, pi. 21 (1880); Sharpe, Cat. B. VI, p. 162(1881); 



Gates, B. Br. Ind. I, p. 296 (1889). 



Hab. Ceylon. 

 One specimen. 



Genus Gymnocrotaphus , n. g. 



Type: Gymnocrotaphus tygus (Bp.). 



Above and below olive-green , feathers underneath broadly 

 centred with white; sides of head above, below and be- 

 hind the eye naked, ear-plumes yellow, bill muscica- 

 pine, tarsus longer than culmen, wing longer than tail, 

 the latter nearly square. — One species known. 



Range. Sumatra. 



1. Gymnocrotaphus tygus. 



Brachypus tygus Bp. Consp. I, p. 262 (1850). 

 Pycnonotus tygus Sharpe, Cat. B. VI, p. 156 (1881). 



Hab. Sumatra. 



The two typical specimens. 



Genus Alcurus Hodgson. 



Type: Alcurus striatus (Blyth). 



Upper surface and chest olive, with white or yellowish 

 white shaft-streaks , head strongly crested , crest-feathers 

 sword-shaped , tarsus equal to culmen in length , wing 

 longer than tail, the latter but faintly rounded or nearly 

 square. — Two species known. 



Range. From the Eastern Himalayas through Burma 

 and Tenasserim to Sumatra. 



Key to the species, 



a. Throat yellow striatus. 



b. Tliroat white leucogrammicus. 



Notes fror» the Leyclen Mliiseum, Vol. XVII. 



