LEPIDOPTERA HETEROCERA. 461 



Wings broad. Fore wings hardly acute; exterior border convex, 

 moderately oblique. 



It has most resemblance to the genus Boreconia, but the structure 

 of the palpi is very different. 



Cascera muscosa. 



Mas. Viridis, nigro conspersa ; palpi f us ci ; abdomen cinereo- 



fuscum ; alee anticce fasciis tribus lineisque nonnullis trans- 



versis nigris indetemiinatis cinereo marginalis, strigis duabus 



longitudinalibus cinereis ; posticce fuscce, margine interiore 



viridi nigro guttato, fimbria viridi nigro interlineata. 



Male. Green, speckled with black, cinereous-brown beneath. 

 Palpi brown. Antennas pale brown. Abdomen cinereous-brown. 

 Fore wings with three very irregular black cinereous-bordered 

 bands, and with some transverse lines of irregular black cinereous- 

 bordered lunnles; two longitudinal cinereous streaks beyond the 

 middle, one near the costa, the other at one-third of the breadth 

 from the interior border. Hind wings brown ; interior border 

 green, with black dots ; fringe green, interlined with black. Length 

 of the body il lines; of the wings 26 lines. 



a. Swan Eiver. From Mr. Diggles' collection. 



Genus MENAPIA. 



Mas, Corpus robusturn. Proboscis brevis. Palpi robusti, 

 erecti, pilosissimi ; articulus 3us conicus, parvus. Antennae late 

 pectiuatae. Abdomen longum, subcarinatum, alas posticas paullo 

 superans ; fasciculus apicalis parvus. Pedes validi, breviusculi, 

 fimbriati ; tibiae posticae calcaribus quatuor longis validis. Alae 

 anticae longae, latae, acutae, costa vix convexa, margine exteriore 

 recto sat obliquo. 



Male. Body stout. Proboscis short. Palpi erect, stout, very 

 pilose to the tips, not rising higher than the vertex; third joint 

 conical, not more than one-fourth of the length of the second. 

 Antennae broadly pectinated. Abdomen long, slightly ridged, ex- 

 tending a little beyond the hind wings; apical tuft small. Legs 

 stout, rather short ; femora very broadly fringed ; tibiae moderately 

 fringed ; hind tibiae with four long stout spurs. Wings long, 

 broad. Fore wings acute ; costa hardly convex ; exterior border 

 straight, rather oblique. 



