INTRODUCTION. 



The principal object of the present Catalogue has been to 

 give a complete list of the specimens of Homopterous Insects 

 contained in the collection of the British Museum, indicating 

 at the same time the peculiarities of each, as regards vaiiation 

 of character, locality, and tlie source from whence it has been 

 derived. With tliis ^ew, the different individuals of each 

 species contained in the collection ai'e indicated by the lettei-s a, 

 b, c, &c., following the name of the species and its synonymes, 

 and the description, if it appeared to have been before un- 

 described. 



This part of the Catalogue of Homopterous Insects has 

 been prepared and tlie new species described by Mr. Francis 

 Walker, so well known for liis attention to this order of 

 Insects. 



JOHN EDWARD GRAY. 



British Museum, 

 Dee. 30th, 1881. 



