P R E F A C E. 



This Catalogue contains descriptions of the species of Phy- 

 sapodous and CEdipodous Halticid^e in the British Museum 

 Collection, and of the species of the group which are con- 

 tained in other Collections, showing the desiderata. 



In the " Introductory Remarks " the Rev. Hamlet Clark 

 has given an account of the group, and the object of the 

 Catalogue. 



JOHN EDWARD GRAY. 



August 15, I860. 



