( 77 ) CV. 



XII. Notes on Eastern Butterflies. By Alfred I^. 

 Wallace, F.Z.S., V.P. Eut. Soc, &c. 



[Read 5th April, 1869.] 



As ray collection still contains some undescribed species, 

 many sexes and variations not yet noticed, and specimens 

 from many localities which have not yet been published, 

 I propose to give a series of short papers embodying 

 whatever information I possess on the genera which are 

 more especially characteristic of the Malay Archipelago and 

 adjacent regions. I hope thus to furnish some materials 

 towards the general catalogue of butterflies now prepar- 

 ing by Mr. Kirby, as well as to correct a few errors in 

 specific and sexual determinations, and in synonymy, 

 which those who have had less copious materials may 

 have fallen into. 



I begin with the genera Myncs and Prothoc. 



Genus Mynis, Westwood. 



The genus Myiies originated with Boisduval, who 

 placed in it two species, M. Leticis, Boisd., and M. Geoffroyi, 

 Gutr. (the Nymphalis Geotfrnyi of Guerin Mtneville), but 

 gave no characters whatever by which to distinguish it. 

 Professor Westwood, in the Genera of Diurnal Lepidop- 

 tera, first chai-acterized the genus, taking as the type 

 Mynes Genfroyi, the only species at that time existing in 

 the national collection. In 1862, Mr. Hewitson figured 

 and described several forms (which he considered varie- 

 ties) of Mynes Lends, collected by myself. A little later 

 Vollenhoven described as distinct one of the varieties 

 figured by Mr. Hewitson; but I cannot find that any 

 other author has occupied himself wth the genus, owing 

 perhaps, to the great rarity of all the species. 



On comparing my specimens with Westwood's de- 

 scription of the genus, I found, to my astonishment, that 

 M. Leucis and its allies differ most remarkably from M. 

 Geofjroyi, in the neuration of the wings and other charac- 

 ters, so as to render it impossible to keep them in the 

 same genus ; while they agree so closely with ProtJioe as 

 to make it equally impossible to separate them from that 

 genus. The antennse, palpi, and feet, the form of the 

 discoidal cell, and especially the curious and unusual 

 arrangement of the branches of the subcostal vein, are 



TRANS. ENT. SOC. 1869. — PART I. (APRIL) . 



