XV. 



the most natural classification at present attainable, but 

 we refer further to this point in the Introduction. 



I should like to state that I have already made progress 

 in the study of a large number of species of the Tineidce. 

 The acquisition of the late Mr. A. C. Vine's almost 

 complete collection v, ill greatly expedite ihe microscopical 

 part of the work, and I hope to publish, at no distant date, 

 an account of the Genitalia of the Tincida;. 



F. N PIERCE. 



The Old Rectory, 



Warmington, 

 oundle, northants. 



23rd November, 1921. 



