979 
Gen. ERANA, n. g. 
. 
Caput lateribus elevatis carinaque media; vertex subeonieus; frons subquadrata, 
faciem versus latior; facies lanceolata. Axfenzae longae, validae, filiformes- 
artieulus lus brevis; Qus longus; seta nulla. Mesothorar carinis tribus paralle- 
lis. Alarum anticarum areolae basales disealibus et marginalibus triplo longio; 
res; venulae transversae costales paucae perobliquae. 
Head with elevated borders and with a middle keël; vertex nearly eonical; front 
elongate-subquadrate, broader towards the face which is lanceolate. Antennae 
elongated, stout, filiform; Ist joint short; 2nd long; no arista. Mesothorax 
with three parallel keels. Fore wings with the basal areolets full thrice longer 
than the discal and marginal areolets together; the marginal areolets as long 
as the discal areolets and not more numerous; costal transverse veinlets few 
and very oblique. E 
51. ERANA OPEROSA, foem. Ferruginea; alis anticis apud venas chalybeo no- 
tatis, posticis nigricantibus. 
Female. Ferruginous. Fore wings with chalybeous spangles on the veins; hind 
wings blackish. Length of the body 24 lines; of the wings 6 lines. 
Gen. RHOrALA, n. g. 
Caput supra conieum, lateribus elevatis, fronte facieque planis, elongatis, punc- 
tulatis. Aztennae breviusculae, filiformes; artieulus 2us 1e longior; arista 
longa, gracilis. Prothorax sat magnus; area media conica, tricarinata. A/ae 
anticae areolis basalibus longissimis, venulis transversis plurimis exterioribus 
nonnullisque costalibus. 
Vertex conical, with elevated borders; front and face forming a fusiform com- 
partment which is flat and punctured. Antennae eylindrical, rather short; 
arista long, slender. Prothorax well developed; middle part conical, with 
three keels. Fore wings with very long basal areolets, and with several 
transverse veinlets on the marginal areolets; exterior part of the costa with 
some oblique parallel veinlets. 
52. RHOTALA DELINEATA, n. s., mas et foem. Testacea, vertice thorace alisque 
anticis crebre ferrugineo conspersis, fronte facie pectoreque nigris, pedibus 
ferrugineis nigro variis, anticis testaeeo fasciatis, alis posticis nigricantibus 
Male and Female. Testaceous. Vertex, thorax and fore wings thiekly covered 
with ferruginous dots. Fore wing with three short black streaks forming an 
oblique transverse line. Head beneath and pectus black. Legs ferruginous, 
with black marks; fore legs with testaceous bands, Hind wings blackish, 
Length of the body 4 lines; of the wings 10 lines. 
