61 



tion of this interesting question to the next adventurer who has the good fortune to go over 

 my ground." 



Mr. G. E. Gray (Gen. of B. i. p. 55, footnote) states that the generic term Chcetura has been 

 preoccupied, and he therefore uses that of Acanthylis (or, more correctly, Acanthyllis), a genus of 

 grasses having been called Chceturus; but in 1826 it was the practice (since abandoned) not to 

 admit the same name in both botany and zoology ; and though, according to the rules now in 

 force, Chcetura could be used, yet it appears to me more advisable to adopt the generic name 

 Acanthyllis, which was given in the same year as Chcetura ; I have accordingly done so. 



The specimen figured is one I received with a few other birds from the Himalayas, without 

 any particulars as to precise locality or date of capture. 



In the preparation of the above article I have examined the following specimens : — 



E Mus. H. E. Dresser. 



a, <S ■ Himalayas. 



E Mus. H. Seebohm. 

 a,<S- Amoy, China, 1856 (R. Swinhoe). 



E Mus. Brit. Beg. 

 a. India, b, c. Simla, India, d. Nepal {Hodgson), e. Amoor. /. Australia. 



