LEPIDOPTERA HETEROCERA. 963 



narrow, without lines, excepting a pale luteous brown-speckled and 

 brown-bordered marginal band. Fore wings acute ; exterior border 

 very oblique. Length of the body 3£ lines ; of the wings 8 lines. 



Sarawak, Borneo. In Mr. Saunders' collection. 



HVDROCAMPA SaCADASALIS. 



Fcem. Alba, gracilis ; palpi breves, graciles, ascendentes, sub' 

 arcuati, articulo So lanceolate; abdomen alas posticas longe 

 superans ; pedes longissimi, gracillimi ; alee semihyalince ; 

 antica apice rotundatce, fasciis exteriore et submarginali 

 pallide luleis fusco marginatis, vitta discali pallide lutea, 

 costa subconvexa, margine exteriore vix obliquo ; posticce linea 

 interiore fusca, fasciis duabus pallide luteis antice connexis, 

 una fusco marginata, altera marginali nigro marginata. 



Female, White, slender. Palpi short, slender, slightly curved, 

 obliquely ascending; third joint lanceolate, very acute, a little 

 shorter than the second. Antennae submoniliform, very slender. 

 Abdomen extending far beyond the hind wings. Legs very long 

 and slender. Wings semihyaline, moderately broad. Fore wings 

 somewhat rounded at the tips ; exterior and submarginal bands 

 pale luteous, brown-bordered, the former connected hindward with 

 a pale luteous discal stripe ; costa very slightly convex ; exterior 

 border hardly oblique. Hind wings with two pale luteous bands ; 

 one marginal blackish-bordered, connected in front with the other, 

 which is brown-bordered, and parallel to an interior brown line. 

 Length of the body 3J lines ; of the wings 8 lines, 



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



Genus HERDONIA. 



Mas. Corpus sat robustum. Palpi porrecti, breves, graciles ; 

 articulus 3us lauceolatus, 2o brevior. Antennae subpectinatas. 

 Pedes graciles, glabri. Alae araplae, longissimae ; anticae subfalcatas, 

 margine exteriore subconvexo perobliquo. 



Male. Body moderately stout. Palpi porrect, short, slender, 

 hardly extending beyond the head; third joint lanceolate, shorter 

 than the second. Antennae slightly pectinated. Legs slender, 

 smooth ; spurs long. Wings ample, very long. Fore wings sub- 

 falcate; exterior border slightly convex, very oblique. 



