The Genitalia 



of 



The Group Noctuidae 

 of the Lepidoptera 



of the 



British Islands. 



AN ACCOUNT OF THE MORPHOLOGY 

 OF THE MALE CLASPING ORGANS. 



BY 



F. N. PIERCE, F.E.S. 



Hon. Librarian of the Lancashire and Cheshire Ento- 

 mological Society ; Vice- President of the Liverpool 

 Microscopical Society. 



ILLUSTRATED BY F. N. PIERCE & H. BUTLER 



LIVERPOOL : 

 A. W. DUNCAN, 65 SOUTH JOHN STREET. 



1909. 



Plates by T. Chell, 22 Cable Street, Liverpool, 



