214 PROCEEDINGS ENTOMOLOGICAL SOCIETY 



brown. Fore wings: basal half brown, shaded with gray on inner margin; 

 black basal, subbasal, and geminate antemedial lines on cost a, the sub- 

 costal partly suffused with black near base; an outangled antemedial 

 black line on inner margin; some darker shading medially on inner margin; 

 a black orbicular point in cell; a dark brown medial shade from costa, 

 black edged and widest on costa, outbent and narrowing to vein 2, suffusing 

 with postmedial line; reniform space whitish mottled with gray and brown, 

 crossed by confused lines, the white extending to costa and inclosing a 

 black and brown spot from which the postmedial originates; this is light 

 brown, vertical, dentate, inbent below reniform, and then outbent to inner 

 margin, and is partly denned by a dark brown line; terminal third of wing 

 steel black; a velvety brown-black subterminal line, oblique to vein 6, 

 inset across vein 5, then outcurved, shaded with dull brown, below vein 

 3 the line is almost obsolescent, only the dull brown shadings being con- 

 spicuous; marginal small black linear spots on interspaces, outwardly 

 edged with white. Hind wings brown shading to black on outer margin, 

 where veins 2-5 are shaded with steel and velvety black; some black and 

 white lines on inner margin above angle, and traces of a similar down- 

 bent postmedial line from below vein 5. Wings below grayish brown- 

 termen darker with a broad fuscous brown subterminal shade; a medial 

 and two postmedial dark lines, better denned on hind wings; costa of fore 

 wings postmedially mottled with white; a small black discal spot on hind 

 wings; cilia on hind wings mostly white. 

 Expanse, 52 mm. 



Habitat: St. Jean, Maroni River. 

 Boryza aeraria, sp. n. 



Male. Palpi fuscous tipped with pale brownish gray. Head, collar, 

 and patagia grayish brown, the collar finely edged with white; thorax 

 white shaded with golden bronze. Abdomen dark bluish gray dorsally, 

 shaded with golden bronze at base; laterally paler gray tinged with brown. 

 Fore wings white shaded with pale golden brown; base broadly black 

 shaded with golden brown, not reaching inner margin, though its hind 

 edge forms a slight hook below submedian; a minute brown point as orbic- 

 ular; a fuscous medial shade on costa, oblique and suffusing with reniform, 

 which is also very oblique, steel black, edged by a fine black line; postmedial 

 line fine, black, shaded with fuscous on costa, outcurved to vein 4, then 

 twice incurved, being outangled on submedian fold; from just above vein 

 5 to inner margin the line is followed by a more distinct golden brown 

 shade; the subterminal shade suffusing with terminal shadings at vein 5. 

 Hind wings brown tinged with golden ; from vein 4 to anal angle the term? n 

 is whitish, irrorated with brown, preceded by a clearer white dentate 

 line. Fore wings below and outer margin of hind wings dull grayish brown, 

 the hind wings otherwise somewhat whitish. 



Expanse, 39 mm. 



Habitat: Omai, British Guiana. 

 Near B. commiscens Wlk. 



