128 Dr. F. A. Dixey on the pluilogenetic 



the occasional signs of separation in V. urticce and 

 V. pohichloros in support of this conclusion. _ Van 

 Bemmelen holds the opposite opinion, considering an 

 uninterrupted band in this situation more primitive than 

 a series of spots. I need not here repeat my own con- 

 clusions on this matter, as they are sufficiently expressed 

 in the course of the present paper. 



Another recent treatise, mentioned by Van Bemmelen,* 

 I have unfortunately not as yet been able to see. 



Explanation of Plates L, II., & III. 



on the upper surface of the hind wing in this species is the blue 

 relic of IV. 15 (see fig. 25). The rest is merged in the general 

 dark ground colour. 



■'• Elmer, ' Die Artbilduug und Verwandschaft bei d. Schmetter- 

 lingen,' Jena, 1889, 



