﻿LEPIDOPTEKA HETEROCERA. 1743 



undulating brownish lines, and contains a costal reddish ferrugi- 

 nous patch, the latter marked wiih black ; some blackish brown 

 points on the veins, and some blackish brown marks on the exterior 

 border. Hind wings whiiish, with a very broad aeneous-brown 

 border. Length of the body 10 lines ; of the wings 24 lines. 



Amazon Region. In Mr. Saunders' collection. 



Nystalea attenuata. 



Mas. Lignicolor ; palporum articulus 2us nigricans^ subtus 

 pilosissitnus ; anteunce serratcB ; abdomen alas posticas di- 

 midio superans, fasciculo apicali lougo ; alee anticce lineis 

 fuscis angustis duplicatis denticulatis aiit angulosis, sirigis 

 exterioribuSy lunutis submarginalibus punciisque marginali- 

 bus nigris, orbiculari et reniformi indistinctis, hac e punctis 

 duobus nigris, margine exteriore antico non obliquo ; posticce 

 albidce, margine lato fusco, fimbria alba. 



Male. Wood-colour. Second joint of the palpi mostly blackish, 

 very densely pilose beneath. Antennae serrated. Abdomen ex- 

 tending for half its length beyond the hind wings ; apical tuft long. 

 Fore wings with the fore part of the exterior border not oblique ; 

 lines brown, slender, double, denticulated or zigzag ; some black 

 streaks beyond the exterior line ; a row of submarginal black 

 lunules, and another of black marginal points ; orbicular and reni- 

 forin marks indistinct ; the latter indicated by two black points. 

 Hind wings whitish, with broad brown borders ; fringe white. 

 Length of the body 9 lines ; of the wings 18 lines. 



a. Venezuela. From Mr. Dyson's collection. 



Nystalea? idonea. 



Mas. Cinerea ; caput antice rufescens ; palpi rufescentes ; arti- 

 culus 'dus 2i dimidio non brevior ; abdomen alas posticas 

 tHente superans ; alee anticce nigricante subnebulosce^ lineis 

 nigris undulatis albo submarginatis^ linea submarginali atra 

 undulata, fimbria nigricante pallida strigata, margine exteriore 

 postico perobliquo ; posticce ceneo-fuscoe, hasi pallida cinereee, 

 fimbria alba. 



Male, Cinereous. Head reddish in front. Palpi reddish ; 

 third joint about half the length of the second. Abdomen paler 



