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at the base. The hinder portion also terminated in two projections of moderate 

 length. The stigmata were reddish brown. This caterpillar turned into a suspen- 

 sory chrysalis of a dirty green sparsely spotted with brown, which, as regards 

 the general form and the projections on the head, fairly agreed with a Debis 

 pupa but exhibited two rows of subdorsal projecting, points on the abdomen. 

 On leaving the mountains, I was obliged to take this pupa with me to Buiten- 

 zorg but, as frequently happens with pupae carried from the cooler humid 

 mountain districts to low lying country, it died there. In view of the size of 

 the caterpillar and its relationship with species of Debts, it can hardly have 

 been anything but one of N. Chrisna Westw. 



Mr. Fruhstorfer is of opinion that the specimens from E. J. and those 

 from W. J. are distinct, and couples with this view some far-reaching specula- 

 tions concerning former land connections. I only possess a single specimen 

 from E. J. but I fail to discover the characters which he indicates as differ- 

 entiating it from the W. J. specimens — of which I possess many. I am, 

 therefore, constrained to doubt the justness of his arguments. Moreover, the 

 same stage in the process of colour evolution may well have been reached by 

 butterflies of one and the same species occurring in different regions, without 

 basing theories as to the former existence of land connections on this single 

 fact, uncorroborated by other evidence. 



It appears to me very probable that Neorina Crishna Westw. and its 

 allies in other regions of the Malayo- Australian fauna are remnants of an ancient 

 genus, formerly containing many types but now dying out and consequently 

 represented by few forms. The great size of the present species, as compared 

 with other closely allied Satyridae, may also have some bearing on the question. 

 For instance, I possess as pecimen from the Wijnkoops Bay in W. J. with a broad 

 white transverse band which is particularly large. The genus Hestia probably 

 owes its large size to the same cause and, amongst Papilios, Ornithopteras 

 exhibit the same phenomenon. The close association between Neorina and 

 the tertiary genus Neorinopsis Butl, so aptly referred to in this connection by 

 Fruhstorfer, also points in the same direction. 



Genus DEBIS Westw., Herr. Sch. 



The species of Debis appear in general to be mountain butterflies. I have 

 found only one species, D. Europa F., on a few occasious in low lying country. 

 Dr. Hagen has had a similar experience with respect to the species of this 



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