Lyccena rliymiiiis, teiKjstni'niii, and prciiosa. 31 



see if my conclusions, formed after examining nearly 

 every species of Paltearctic Lycana, and many other 

 genera also, are correct ; as, if so, there is no doubt but 

 that the generic organs will prove of much value both 

 generic and specific. 



Explanation of Plate II. 



Fig. 1. Lycuna phcrctcs ; genitalia (less peuis), profile in situ, 

 la. ,, clasps, vertical under pressure. 



1 b. „ penis. 



Ic. ,, clasps. 



Id. ,, tegrimen. 



1 e. „ uncus. 

 1/. ,, hooks. 



2. Thccla sassanidcs ; genitalia (less penis and clasps), pro- 



lile in situ. 



2 a. ,, clasps, profile, 

 2 b. ,, penis, profile. 



B. Thccla lunidata ; genitalia (less penis and clasps), ver- 

 tical view, 

 clasps, vertical, 

 penis, profile. 



genitalia (less penis), profile in situ. 

 clasps, profile, 

 penis, profile. 



genitalia (less penis) , profile in situ. 

 clasps, profile, 

 penis, profile. 



genitalia (less clasps and penis), pro- 

 file in situ. 

 clasp, profile, 

 penis, profile. 



All the figures were magnified uniformly 38 diameters, but they 

 have been reduced by one-half linear measurement to get them 

 on to one plate. 



