in the Collection of W, W. Saunders, Esq. 123 



Fam. HYDROCAMPID.E, Guen. 

 Genus Oligostigma, Guen. 

 Oligostigma amcenalis. 

 Mas. — Aurato-flava, subtus alba, oculis albo-marginatis, ab- 

 domine albo, alis anticis fasciis duabus undulatis maculaque 

 discali albis purpureo-marginatis, alis posticis albis macula 

 apud angulum interiorem aurato-flava. 



Male. — Gilded-yellow, shining, white beneath. Eyes bor- 

 dered with white. Palpi very short, Antennaa stout. Abdo- 

 men white, extending a little beyond the hind-wings ; apical tuft 

 long. Tibiae with very long spurs. Fore-wings with two white, 

 undulating, purple-bordered bands, and with a white intermediate, 

 purple-bordered spot. Hind-wings white, with a gilded-yellow 

 spot near the interior angle. 



Length of the body Sg lines ; of the wings 6 lines. 



Brazil. 



Oligostigma exhihilalis. 



Fcem, — Lsete ochracea, corpore subtus, capite, thoracis lateribus 

 anticis abdominisque fasciis albis, palpis lanceolatis ascen- 

 dentibus, alis lituris argenteis nigro-marginatis, alis anticis 

 fasciis tribus maculaque costali trigona, alis posticis bifasciatis 

 basi costaque albis. 



Female. — Bright orange, white beneath. Head and sides of 

 the thorax in front white. Palpi lanceolate, ascending as high as 

 the vertex. Abdomen extending far beyond the hind-wings; 

 segments with white bands. Wings with silvery-white, black- 

 bordered marks ; sub-marginal band parallel to the exterior 

 border, broad and abbreviated in the fore-wings ; middle band 

 less* oblique in the fore-wings than in the hind-wings, and in a 

 contrary direction. Fore-wings with a large triangular costal 

 spot between the two bands, and with a basal band which is 

 oblique in a contrary direction to the middle band. Hind-wings 

 white at the base and along the costa. 



Length of the body 4 lines ; of the wings 8 lines. 



Amazon Region. 



Genus Cataclysta, Hubn. 

 Calaclysta insulalis. 

 Alba, thorace abdominisque fasciis fuscis, alis fascia interiore 



