76 CHARACTERS OF UNDESCRIBED 



Hind wings cinereous ; under side with an antemedial line and with 

 a postmedial zigzag black line, the latter nearly contiguous to a 

 broad brown marginal band. Length of the body 6 lines ; of the 

 wings 18 lines. 



28. MONOCTENIA DECORA. Mas. Albida, robusta, capite obscure 

 cinereo, palpis purpurascentibus verticem non superantibus articulo 

 3o nigricaute liueari, antennis purpureis ochraceo pectinatis basi 

 nigricantibus, thoracis tegulis anticis abdomineque cinereis, alis sub- 

 ochraceo-albidis linea recta obliqua saturate purpurea antice maculari 

 atomis exterioribus fuscis fimbria purpurea, alis anticis falcatis linea 

 basali maculari maculaque discoidali lituram hyalinam iricludente 

 costa rosea plaga subtus magna purpureo-nigra. 



Male. Whitish, stout. Head dark cinereous. Palpi purplish, not 

 rising higher than the vertex ; third joint longer, blackish, less than 

 half the length of the second. Antennae purple, blackish towards 

 the base, moderately pectinated to two-thirds of the length ; branches 

 ochraceous. Fore tegulse of the thorax cinereous. Pectus white, 

 densely pilose. Abdomen cinereous, extending a little beyond the 

 hind wings ; apical tuft cinereous ; under side with a pale purple 

 tinge. Fore legs purple; posterior legs rosy. Wings with a pale 

 ochraceous tinge, with a straight dark purple oblique line, which has 

 an ochraceous tinge along the inner side and is macular towards the 

 tips of the fore wings and is broader in the hind wings ; of these it 

 joins the middle of the interior border; some brown speckles between 

 the line and the exterior border; fringe purple. Fore wings falcate, 

 with an oblique blackish macular line near the base; a blackish spot 

 in the disk at the end of the areolet, including a little hyaline mark ; 

 costa rosy; under side with a large purple black patch near the end 

 of the interior border. Length of the body 9 lines ; of the wings 

 24 lines. 



Genus ARNISSA, n. 



Fcem. Corpus crassum. Caput parvun^brevi-fasciculatum. Palpi 

 brevissimi. Antennae subpectinate. Thorax et pectus pilis longis 

 vestita. Abdomen alas posticas paullo superans. Pedes graciles; 

 femora late fimbriata ; calcaria nulla. Ala3 antics latae, vix falcatse ; 

 margin e exteriore subrotuudato subobliquo. 



Female. Body very stout. Head small, with a short tuft. Pro- 

 boscis obsolete. Palpi very short. Antenna? very slightly pectinated. 

 Thorax and pectus clothed with long hairs. Abdomen extending 

 a little beyond the hind wings. Legs slender; femora broadly 

 fringed : spurs obsolete. Wings broad. Fore wings acute, with a 

 slight tendency to the falcate form ; second inferior vein as far from 



