XYLORYCTIDJS. 385 



undefined fascia of fuscous suflfusion crossing wing about |, strongly 

 curved outwards in disc ; a curved subterminal series of fuscous 

 dots. Hindn^ings fuscous, with an apical patch of pale ochreous 

 suffusion ; cilia whitish-ochreous tinged with grej\ 



Dutch Guiana, Paramaribo, in December; one specimen. 



Gonioterma bythochroa, n. sp. 



2 . 29 mm. Head ochreous-whitish. Palpi ochreous-whitish, 

 second joint fuscous except apex. Thorax greyish-ochreous 

 suffused with light purple, with double posterior ferruginous 

 erectile tuft. Abdomen dark grey. Forewings elongate, costa 

 gently arched, apex obtuse, termen almost straight, vertical ; 

 purple-greyish-ochreous, with suffused purple markings ; very 

 oblique parallel fasciae from costa at | and middle, second running 

 to tornus, with broad undefined median and dorsal streaks from 

 base to second confluent anteriorly ; some elongate brownish 

 suffusion in middle of disc ; au elongate spot on costa towards 

 apex ; a dark brown streak along termen : cilia purplish, base pale 

 ochreous. Hindwings dark grey; cilia pale ochreous, with purplish 

 shade. 



British Guiana, Bartica, in February (Parish)-^ one specimen. 



Gonioterma symposias, n. sp. 



c? 5 . 22-24 mm. Head and thorax fuscous-purplish, sides of 

 crown whitish. Palpi purplish-fuscous, second joint white above 

 towards apex, terminal joint more or less suffused with white. 

 Antennal ciliations of c? 2i. Abdomen grey-whitish. Forewings 

 elongate, posteriorly slightly dilated, costa anteriorly gently arched, 

 then straight, apex obtusely right-angled, termen hardly perceptibly 

 sinuate, almost vertical ; fuscous-purple ; costal edge ferruginous- 

 yellow ; plical and first discal stigmata grey- whitish, plical some- 

 what posterior ; second discal stigma grey, surrounded irregularly 

 with grey-wJiitish ; some scattered grey- whitish scales towards 

 costa on median area ; a fascia of suffused grey-whitish irroration 

 from beneath costa at |, curved inwards to beneath second discal 

 stigma, then becoming broader and running to dorsum at | : cilia 

 fuscous-purplish, tips grey-whitish. Hindwings grey-whitish, in 

 2 apex somewhat greyer; cilia grey-whitish, round apex with two 

 faint grey lines. 



Colombia, San Antonio, 5800 feet, in November ; three 

 specimens. 



CERCONOTA, n. g. 



Head with appressed scales, sidetufts roughly spreading ; ocelli 

 present ; tongue developed. Antennae |, in cJ moderately ciliated, 

 with rough scales towards base of stalk above, basal joint moderate, 

 without pecten. Labial palpi long, curved, ascending, second joint 

 thickened with appressed scales, terminal joint shorter than second, 

 thickened with scales, apex shortly penicillate. Maxillary palpi 



VOL. I. — October 1015. 2 c 



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