156 CATALOGUE OF BUTTEEFLIES. 



the Other two ; and many species which are common to th 

 Lower and Upper Zones are not met with in the Central Zone, 

 and vice versa. The reason of this is not far to seek, as the 

 Central Zone is the one of scanty rainfall and excessive heat ; 

 while in the other zones the rain is heavy and the vegetation 

 in consequence is rank and abundant. 



The district under consideration extends from 10° to 25° N. 

 Lat., that is from the Malay peninsula on the south to Assam 

 on the north ; and is most interesting as showing many forms 

 of Butterflies intermediate between those described from Indian 

 species and those from the Malay peninsula. 



My thanks are due to the late Mr. de Nicdville, Mr. 

 Moore, and Mr. Elwes for their kindness in naming for me 

 many of my specimens, but I cannot always agree with 

 Mr. Moore in recognizing so many species as he does. 

 Although I have followed Mr. Moore's nomenclature as 

 far as I am able to do so, yet I have in a few instances 

 included one or two of his species under one name where I 

 have been quite unable to find any constant variation by 

 which to distinguish his species or local varieties. 



C. H. E. ADAMSON. 



CATALOGUE -PAET I. 



NYMPHALIDy?:, 

 RIODINID^, AND PAPILIONID^. 



Fam. NYMPHALID^. 



Sub-Fam. EUPLCEIN^. 



I. Hestia agamarschana, Felder. 



I have about a dozen specimens taken on the Arracan 

 coast which were named by Mr, de Nicdville. All of these 

 are larger than Felder's figure. In some of them the marginal 



