LEPIDOPTERA HETEROCEEA. 609 



ing an oblique quadrangle, and each enclosing a black point ; a 

 blackish dentate submarginal line ; veins black along the exterior 

 border. Hind wings white. Length of the body 6 lines; of the 

 wings 18 lines. 



a. Australia. From Mr. Darners collection. 



Genus EXACOSMIA. 



Fcem. Corpus sat gracile. Proboscis mediocris. Palpi 

 suberecti, sat graciles, verticem paullo superantes j articulus 3us 

 conicus, minimus. Antennae vix latae. Abdomen alas posticas 

 paullo superans. Pedes subpilosi, sat graciles ; calcaria quatuor 

 longa, gracilia. Alae anticae elongatae, vix acuta?, costa vix con- 

 vexa. 



Female. Body rather slender. Proboscis moderately long. 

 Palpi rather slender, nearly erect, rising a little higher than the 

 vertex ; third joint conical, less than one-eighth of the length of the 

 second. Antennae very minutely crenulated. Abdomen extending 

 very little beyond the hind wings. Legs rather slender ; femora 

 and tibiae slightly pilose; hind tibiae with four long slender spurs. 

 Wings elongate, moderately broad. Fore wings hardly acute ; costa 

 hardly convex ; exterior border convex, moderately oblique ; fourth 

 inferior vein rather near the third. 



The erect palpi of this genus distinguish it from Dimona. 



EXACOSMIA EUBIGINOSA. 



Fcem. Cinerea, nigro conspersa ; alee punctis marginalibus nigris 

 elongatis, fimbria fusco interlineata nigricante guttata; 

 anticce ferrugineo varia, lineis duabus valde dentatis gutta basalt 

 guttaque subcostali nigris ; posticce pallide cinerece, linea den- 

 tata spatioque marginali fuscis. 

 Female. Cinereous. Body and fore wings minutely speckled 

 with black. Joints of the tarsi blackish above except the tips. 

 Wings with black elongated marginal points ; fringe interlined with 

 brown, dotted with blackish. Fore wings here and there fer- 

 ruginous, with two transverse irregular deeply dentate black lines, 

 of which the second is much bent and is apparent on the under 

 side ; a black basal dot and a black subcostal dot very near the 

 base. Hind wings pale cinereous, shining, brown towards the ex- 

 terior border, with a dentate brown line like the second line of the 

 fore wings. Length of the body 6 lines ; of the wings 16 lines. 

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



