206 Mr. W. Schaus on 



Secondaries silky brown, palest at base ; a smoky black 

 streak on discocellular. 



Expanse 27 mm. 



Hub. Guapiles ; November. 



Hypsidse. 

 Hyalurga sixola^ sp. n. 



Palpi, head, and collar black spotted with white. Thorax 

 white with a central black line ; patagia streaked with 

 ochreous. Abdomen above with the first and last segments 

 white, otherwise ochreous with a dorsal black streak shaded 

 with white oji either side, and a broader black lateral streak; 

 below greyish with transverse white lines ; the legs greyish, 

 partly streaked with ochreous and black ; tarsi black. Wings 

 whitish semihyaline. Primaries : the veins black ; costal, 

 outer margin, and outer half of inner margin narrowly 

 ochreous ; the costa finely black and shaded with black along 

 subcostal vein ; a black streak from base along submedian, 

 curving at tornus to discocellular, which is also black ; some 

 white on basal half of inner margin, and a terminal fine white 

 shade ; fringe black and grey ; below the margins are black 

 with an ochreous streak on costa from base to near middle, 

 and some ochreous at tornus. Secondaries white, the fringe 

 black. 



Expanse, £ , 44 mm. 



Hab. Sixola River, March and September. In B. M. from 

 Mexico. 



This species in the ' Biologia ' is referred to as H. itria, Btl. 



Hyalurga urioides, sp. n. 



Palpi black streaked with white. Head and tegulaj black 

 spotted with white. Thorax whitish with a central black 

 line ; patagia ochreous, dorsally shaded with black. Abdo- 

 above dark grey, with a dorsal black line ; laterally and below 

 white with a ventral black band. Legs white streaked with 

 black. Wings white, semihyaline. Primaries: the margins 

 ochreous, edged inwardly and outwardly with black; veins 

 black ; a black spot at end of cell, which is also reached by a 

 curved black line from tornus; below the margins are black 

 with an ochreous streak at base and some ochreous at tornus. 

 Secondaries : the outer margin black, containing an orange 

 streak from anal angle to vein 4. 



Expanse, <J , 50 mm. 



Hub. Tuis, Sixola, Juan Vinas. 



Likewise referred to H. uria, Btl., in the ' Biologia.' 



