686 MR. BUTLER ON NEW SPECIES OF LEPIDOPTERA. [Nov. 4, 



A second communication from Capt. Beavan contained some notes 

 on the difficulties involved in the acceptance of the Darwinian theory 

 of evolution. _ 



Mr. G. Dawson Rowley, F.Z.S., exhibited and made remarks upon 

 a malformed variety of the domestic Duck. 



The Secretary exhibited on behalf of Mr. E. P. Ramsay, of Do- 

 broyde, N.S.W., C.M.Z.S., six specimens of Ceratodus forsteri, 

 obtained duriug a recent visit to Queensland. All of them had been 

 caught by hook and hue in the river Mary, at Mr. Helsham's 

 station. Along with them were examples of Copidoglanis tandanus 

 (Mitchell), a species of Arius, and Chatoessus erebi, Giinther, from 

 the same locality. 



The following papers were read : — 



1. Description of three new Species of Diurnal Lepido- 

 ptera. By Montagu R. Butler. (Communicated by 

 A. G. Butler, F.L.S., F.Z.S.) 



[Keceived July 1, 1873.] 



Family Nymphalidj;. 

 Subfamily Nymphalin^e. 

 Genus Cynthia, Fabricius. 

 Cynthia ad a, n. sp. 



<3 . Wings above bright tawny ; markings nearly as in C. arsinoe, 

 but all the bands narrower and the spots smaller ; outer margin of 

 front wings less clouded with brown. 



"Wings below similar to C. arsinoe, but much paler, dusted with 

 vermilion towards base ; double discal band narrower ; central lines 

 darker ; ocelli of hind wings smaller. 



2 ■ Somewhat similar to C. erota ( $ ), but without tails ; front 

 wing less falcated, the outer margin very slightly waved ; basal half 

 of wing reddish brown, with the usual black markings in the cell. No 

 black spot upon central white band above third median branch ; the 

 black spots beyond the baud large and distinct, not ocellated ; the 

 white discal spots large and distinct ; submarginal black band broad 

 and very slightly waved. 



Hind wing tawny ochraceous, becoming brown towards base ; central 

 band only white, bordered outwardly with brown to second subcostal 

 branch, beyond this ochraceous ; ocelli larger than in C. erota ; 

 apex grey, discal lunate bands broader, submarginal band narrower, 

 less undulated. 



Wings below with basal half pearly greyish, tinted here and there 

 with reddish, the transverse lines red-brown ; apical half pearly 



