NO. 2039. NOCTVID MOTHS FROM TROPICAL AMERICA— 8CHAUS. 489 



base below cell to inner margin brighter brown; a small black spot 

 below cell followed by a white line and a large spot suffusing with 

 brown shade on inner margin ; a small antemedial spot on costa, and 

 an outcurved series of black points on interspaces, followed in cell by 

 a small orbicular spot; a medial spot on costa with a line to reniform; 

 a spot on costa above reniform which is finely edged with white; 

 small postmedial spots on interspaces, the one below vein 2 much 

 larger followed by a white shade; small sub terminal spots followed by 

 a dark brown shade to termen, narrow at apex; terminal spots on 

 interspaces. Hind wings dark brown. Wings below brown ; a post- 

 medial white spot on costa of fore wings; hind wings more whitish at 

 base; a fuscous discal spot, postmedial line, and fainter sub terminal 

 line. 



Expanse. — 24 mm. 



Habitat. — St. Jean, Maroni River. 



T^/pe.— Cat. No. 16532, U.S.N.M. 



CHYTONIDIA, new genus. 



Proboscis fully developed; palpi upturned, the second joint reach- 

 ing vertex, moderately scaled; the third short, smooth; frons smooth; 

 eyes large; antennae of female smooth; thorax chiefly clothed with 

 spatulate scales; metathorax with long tuft; a small dorsal crest at 

 base of abdomen; tibise roughly scaled, spurs moderate. Fore wing: 

 Outer margin rounded, slightly crenulate; veins 3 to 5 from lower 

 angle equally apart; 6 from below upper angle; 7 from upper angle; 

 8, 9, 10 stalked from cell; 11 free. Hind wing: Veins 3 and 4 from 

 angle of cell; 5 obsolescent from middle of discocellular; 6 and 7 

 from upper angle; 8 anastomosing with cell near base. 



Type of genus. — CJiytonidia chloristis Schaus. 



Near CJiytonix Grote. 



CHYTONIDIA CHLORISTIS, new species. 



Female. — Head, collar, thorax, and fore wings brown tinged with 

 lilacine, some green mottling on collar; abdomen brown above, lat- 

 erally shaded with white. Fore wings : Subbasal line inangled at cell, 

 fine, black, outwardly shaded with pale green; subcostal streaked 

 with green to antemedial, which is fine, black, deeply inangled in cell, 

 outcurved below cell, preceded on submedian by a white point and 

 angled black line; orbicular smah, round, partly outlined in black, 

 followed by an outbent green shade across cell, suffusing with the 

 reniform which is also green, long, narrow, vertical, finely edged with 

 white and suffusing with a white line on costa ; postmedial fine, black, 

 outcurved and dentate, followed by a series of black and white points 

 on veins; veins terminally irrorated with black and gray; a faint 

 sub terminal wavy green line; an apical white and green shade; a 



