TRIFIDJi. 29 



PuPiK subterranean. 



This is a genus rather difficult of tabulation, yet as most 

 of the species are moderately constant, an attempt is made : 



A. Fore wings broad. 



B. No basal line, markings indefinite, colour grey-brown. 



N. augv.r. 



B.- No basal line, markings indistinct except a black or 



red-black central longitudinal streak ; colour rosy 



o-rpv N. subrosea. 



B.2 Basal line black, slender ; colour dark velvety brown 



clouded with black, and with black markings. 



iV. r/iomhoidi'a. 



A.'- Fore wings not very broad. 



C. Basal line edged inwardly with black spots. 



D. Fore wings pale slate-grey or pale purplish grey. 



iV. (jlareosa. 

 D.- Fore wings light brown. N. dqmnda. 



e.2 Basal line edged outwardly with a black blotch. 



E. Orbicular stigma broadly triangular, pale, spreading 



into the costal stripe. N. c-uicjmm. 



E." Orbicular stigma oval, oblif|ue, inner edge of reniforra 



stigma curved ; colour of wings purple-brown. 



N. ditrapczium. 

 E.^ Orbicular stigma broad, squared, extended to the 



costa ; inner edge of reniform stigma straight ; 



creneral colour light brown. N. triawjulam. 



C.=^ Basal line obscure, not black margined. 



F. A black, or very dark, squared spot between the 



stigmata. 



G. Colour dark purple brown, reniform stigma yellow. 



N. hrunnea. 

 Gr Colour yellow-brown or reddish, usually clouded with 



red-brown ; both stigmata pale. N. /estiva. 



G.' Colour pale rosy-brown ; transverse lines conspicuous, 



clouded. A^- ^'^^^' 



