24G ^ [Ap"i' 



' the two species are nearly allied, but I tliink quite distinct ;' 

 another point of di:fference being that ' the veins on the under-side of 

 the hind-wing in A. Scylla are powdered w^ith whitish scales.' We are 

 quite unable to separate A. Scylla from A. hraliminus ; it is described 

 from ' near Sylhet,' and if that locality could be accepted definitely, 

 there might be some grounds for its separation ; but the authority for 

 the habitat rests apparently on a very slender basis, and some speci- 

 mens of A. weranga from the N.W. Himalayas present every feature 

 that is given as distinctive of A. Scylla ; it is doubtful whether it can 

 even be retained as a distinct variety." 



It must be borne in mind that w'hen writing the above neither 

 Major Marshall nor Mr. De Niceville had examined the type of A. 

 ScyUa ; when the latter gentleman saw it a few months ago, he jumped 

 to another hasty conclusion and decided that it was nothing but an 

 under- fed specimen of A. Werang. Few things can be more detrimental 

 to the study of any branch of science than guessing. This has been 

 shown in the present instance, and can be still more easily proved in 

 the case of Mr. De Niceville's recently ventilated views touching 

 seasonal variability, which a little calm reflection w^ould have con- 

 vinced their author to be impracticable; first, because some of these 

 so-called seasonal varieties never yet were taken in the same localities, 

 and others, as Junonia Ahnana and J.Asterie, are all caught flying to- 

 gether at the same time, also Melaniiis Ismene and the so-called M. Leda 

 (for which I propose the name M. determinata ; as the true M. Leda is 

 a totally dissimilar Amboinese species), come constantly from all 

 collectors who pay any attention to details in their collecting, labelled 

 with the same date of capture ; Col. Swinhoe also assures me that in 

 both of these instances the supposed seasonal forms fly together. 



In a collection received from Mr. J. F. Duthio early in 1884, there 

 were four examples of A. hraliminus, three of which were labelled 

 " Phulaldaru, 12,000 feet, August 15th and 16th," the fourth " Eavee 

 Basin, up to 6,000 feet," the latter agrees best with Lang's type of 

 A. Werany, as I remember it, the band across the wings being narrower 

 than usual. 



Towards the end of 1884 we received a second collection from 

 Mr. Duthie, in which are two examples of A. Scylla, labelled " near 

 Kutti, 13-14,000 feet," in the same collection several much w^orn ex- 

 amples of A. Sivaha, labelled "Kutti Tangti Yalley, 11-12,000 feet." 

 It is therefore clear that the locality " Silhet " was, at any rate, if not 

 quite correct (which remains to be proved), by no means so far out as 

 Messrs. Marshall and De Nicoville imagined, and as the whole of the 



