ENOICYLA. 261 



6. H. mutatus ! 



Hallesus mutatus Hagen ! 



Fuscous, with fuscous hair; antenna? brown, annulated with lu- 

 teous ; feet yellowish, with black spines, base of tibias, as well as 

 the middle and apex, marked with fuscous; wings fuscous, finely 

 tuberculated, closely guttated with pale ; a semicircular stripe at 

 the anastomosis apically, and a discoiclal irregular spot, pale hya- 

 line; veins fuscous ; posterior wings brownish-hyaline. Female. 



Length to tip of wings 15 rnillim. Alar expanse 29 millim. 



Hcib. Labrador. 



The specimen is mutilated. 



Hallesus maculipennis Kolenati, from North America, Wien. Ent. Zeit. 

 1859, p. 18, is noticed only by name ; it is unknown to me. 



7. H. solidus! 



Hallesus solidus Hagen ! 



Luteo-testaceous ; antenna? brownish-black, the basal article and 

 head luteo-fuscous ; feet luteous, with black spines ; wings luteo- 

 testaceous, the dorsal portion densely covered with black hair, 

 subhyaline, subscabrous, veins sparingly interrupted with fuscous; 

 with a maculose streak behind, and a marginal one, brownish- 

 black ; posterior wings luteo-hyaline. Female. 



Length to tip of wings 16 millim. Alar expanse 30 millim. 



Hab. Mexico (Deppe). 



ENOICYLA RAMBUR. 

 Spurs arranged 1, 2, 2. 



Sub-Genus (new). 



1. E. areolata. 



Limnephilus areolatus Walk.! Catal. 35, 55. 



Black-gray, with black hair ; femora obscure ferruginous ; ante- 

 rior wings whitish, with black veins, many of the areoles with fus- 

 cous bands, the apical ones with broader bands ; margins ciliated. 

 (From the description of Walker.) 



Length to tip of wings 1 millim. Alar expanse 13 millim. 



Hab. St. Martin's Falls, Albany River, Hudson's Bay (Barns- 

 ton). 



It is a most beautiful species. 



