LEPIDOPTERA HETEROCERA. 279 



stout, dentate. Fore wings with dentate and confluent lines. Male. 

 — Antennae broadly pectinated on one side, filiform at the tips. 

 Abdomen depressed. Female. — Antennae dentate. Abdomen acute 

 at the tip. 



1. MONOCTENIA SALERNARIA. 



Mas et fcem. Roseo-ochracea ; vertex et antenna? testacea ; ala? 

 linea dentata obliqua nigricante ; antica? linen duabus denta- 

 tis postice convexis, spatio intermedio obscuro. 



Monoctenia Salernaria, Guen. Phal. i. 184, 286, pi. 7, f. 3. 



a. Australia. From Mr. Stevens' collection. 



b, c. Tasmania. Presented by Morton Allport, Esq. 

 d. Australia. From Mr. Darnel's collection. 



€. ? 



2. Monoctenia obtusata. 



Foem. Pallide cinerea ; caput rufescens, testaceo varium ; abdo- 

 men punctis lateralibus anterioribus nigricantibus ; ala? fusco 

 conspersa?, fascia sub tus exteriore lata inter rupta pallide fer- 

 ruyinea ; antica? acuta?, punctis paucis nigris, margine exte- 

 riore antico subtruncato, plaga subtus magna discali nigricante. 



Female. Pale cinereous. Head and legs reddish, varied with 

 testaceous. Abdomen minutely black-speckled ; anterior segments 

 with a blackish point on each side. Wings irregularly brown- 

 speckled; the speckles here and there confluent; underside with 

 an exterior broad irregular interrupted pale ferruginous band. Fore 

 wings acute, with a few black points; costa very slightly convex 

 along the exterior part, and equally concave exteriorly ; exterior 

 border truncated along one-third of the length, very oblique from 

 thence to the interior angle ; under side with a large blackish dis- 

 cal patch. Length of the body 9 lines ; of the wings 24 lines. 



a. Moreton Bay. From Mr. Diggles' collection. 



3. Monoctenia himeroides. 



Foem. Testaceo-cinerea ; thorax antice rufescens ; pedes fasciati ; 

 antenna? subserrata? ; aim elongate, nigro subconspersa?, mar- 

 gine exteriore vix dentato ; antica? acuta?, costa subconvexa 

 apicem versus subconcava, margine exteriore Jlexo, plaga sub- 

 tus magna discali nigra; postica? margine exteriore postico 

 subtruncato. 



b2 



