INSECT NOMENCLATURE. 



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vivid to show itself with a moderate light. The rest of the 

 wing is nearly white, except in the middle, where it is yellow. 



Fig. ay3. — Euschema Bellona. 

 (Purple, white, and yellow.) 



Still, even in this species, the characteristic purple and yellow 

 are the leading colours. 



This is a very widely spread species, being found distributed 

 over the greater part of India and the neighbouring parts. 



There is a great variety of colouring displayed in the Moth 

 called Prcesos Mariana. 



Its name, by the way, is as bad as that of Euschema fiavata 

 is good, simply because it conveys no idea to the mind of the 

 reader. Anyone who was absolutely unacquainted with the 

 latter insect, and who had a slight acquaintance with Greek 

 and Latin, would gather at once from the two names that it 

 was gracefully formed, and that there was a good deal of yellow 

 about it. But no idea whatever is conveyed in the present 

 insect. In the first place, the generic name Prcesos is — at least 

 to me — a sound without meaning. Prcesos signifies " a presi- 



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