336 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxix. 



J^xpans/i. — 41 mm. 



Habitat. — St. Jean, Maroni River, French Guiana. 



Type.— Cat. No. 8919, U.8.N.M. 



KDEBESSA LANGUCIATA, new species. 



Head, legs, and thorax l)lack, the latter irrorated with lilacine white 

 scales. Abdomen red, dark l)rown at base; anal segment light l)rown. 

 Wings black, the markings red. Primaries: a large annular sjjot at 

 ))ase from subcostal to submedian; a quadrate spot from vein 3 to costa, 

 tilled in with black which is crossed b}' the discocellular; a red line 

 from outer costal angle of this spot to ))el<)w apex, then forming large 

 subterminal lunules betsveen the veins to vein 3, and below it twice 

 angled to submedian where it joins the basal spot; a medial lunular 

 spot on inner margin below the su])median. Secondaries: cell red; 

 from lower angle of cell a line extends towards costa at its middle, 

 follows below costa to near apex and forms a subterminal lunular line 

 along the outer margin. Underneath similar. 



Expanse. — 57 mm. 



Hahifdt. — St. Jean, Maroni River, French Guiana. 



Type.— C2it. No. 8920, U.S.N.M. 



EDEBESSA MEGALOPYGiE, new species. 



Antennte white. Frons and body underneath black. Vertex citron 

 yellow. Thorax olivaceous brown. Abdomen above dark brown; a 

 subdorsal basal citron yellow patch. Primaries dark grey with long- 

 curly hairs as in Megalopyge., which becomes olivaceous brown at 

 l)ase and along inner margin; the apex and outer margin golden oliva- 

 ceous bufl'. Secondaries dark gre}^; the outer margin narrowly and 

 fringe golden olivaceous buff. 



Expanse. — 48 mm. 



Ilahitat. — St. I^aurent, Maroni River, French Guiana. 



Type.—C^it. No. 8921, U.S.N.M. 



Genus MESOCIA Hiibner. 



MESOCIA LORNA, new species. 



Antenna^ and frons buff'. Vertex white. Collar and thorax pale 

 sulphur yellow. Abdomen black above; anal hairs grey; a subdorsal 

 basal patch like thorax. Primaries: costal margin, cell, and a space 

 below it whitish; some pale yellow at base and along inner margin; 

 outer margin below vein 7, broadly pale grey, crossed l)y dark ))rown 

 veins, and with long darker gre}' streaks between the veins; some 

 yellowish postmedial points on veins. Secondaries grey, darkest along 

 the inner margin; a little white on outer margin; the veins darker, and 

 traces of darker streaks between the veins. 



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