LEP1D0PTERA HETEROCERA. 
833 
1. Geroda Xeneusalis. 
Mas. Cinereo-rufa ; tarsi albicli ; alee anticce punctis costalibus 
elongatis albis , plaga costali subapicali diffusa albida , lineis 
inleriore et exteriore nigris denticulatis , hac undulata , pnnetis 
submar ginalibus elongatis nigris , reniformi subochracea optime 
determinata albo submarginata, fimbria extus alba ; posticce 
cinerece , plaga apicali magna fusca. 
Male. Cinereous-red, more cinereous beneath. Tarsi whitish. 
Fore wings with elongated white points along the costa, and with a 
diffuse costal subapical whitish patch ; interior and exterior lines 
black, denticulated, the latter undulating, having beyond it a row of 
black elongated points on the veins ; orbicular mark obsolete ; reni- 
form somewhat ochraceous, very distinct, of the usual form, mostly 
white-bordered ; fringe white exteriorly. Hind wings cinereous, 
with a large apical brown patch. Length of the body 5 lines ; of 
the wings 12 lines. 
a. Rio Janeiro. In Mr. Fry’s collection. 
2. Geroda? trahalis. 
Fcem. Fusca ; palpi longi , subarcuati , pilosi ; alee subtus rubido- 
fuscce , anticce apice obtusce dentatce , strigis duabus basalibus 
nigris, f asciis duabus geminis undulatis nigricantibus , la ante- 
media , 2a post-media ; posticce testacece,fusco late marginatce , 
fascia undulata media nigricante. 
Ramphidium trahalis (Pyralis geometriformis, Salia mirabilis), 
Geyer , Zutr. Samml . Exot. Schm. 30, 460, f. 919, 920. 
Brazil. 
This species seems to be allied to Phalsena Servia, Cram. Pap. 
Exot. ii. 66, pi. 321, f. C — E. 
Page 17. 
Genus SEMNIA. 
Mas. Corpus sat gracile. Proboscis brevis. Palpi porrecti, 
longi, compressi, subfimbriati ; articulus 3us lanceolatus, 2o paullo 
brevior. Antennae basi angulatae, apice convolutae, pennis nonnullis 
squamosis contiguis apices versus instructae. Abdomen alas posticas 
