Ochsenheimer's Genera of the Lepidoptera of Europe. 105 



Palpi, porrected obliquely, distant, triarticulate, longer than 

 the head, covered with long hairy scales, the terminal 

 joint clothed with short, close scales only; first joint short, 

 second long, attenuated, third as long as the first, slender, 

 conical : maxillce as long as the antennae. 



Head, transverse. 



Thorax clothed with long, light scales, forming a transverse 

 crest. 



Abdomen rather long and slender, with a small tuft of scales 

 on the back near the base. 



Larva, with six pectoral, eight abdominal, and two anal feet*. 



Species. Icon. 



1. Thy. Batis, Linn Ernst, VI. PI. CCXXXI. f. 333. 



Curtis, Brit. Ent. II. pl. 72. 

 Imago et larva. 



2. — Derasa, Linn. ... Ernst, VIII. Pl.CCCVII. f. 530. 



Genus 63. CALPEf, Ochs., Treitsch. 

 Calyptra, Ochs. 



Wings deflexed and crossing over one another, when at rest ; 



the usHal reniform markings and maculae, indistinct, but 



the transverse bands well defined. 

 AntenncE, strongly pectinated in the male. 



Species. Icon. 



1. Calp. ThaUctri,linhx\. Ernst,Suppl.P].VIII.f.258.a.b.c. 



2. — Lihatrix, Linn.... Ernst, V. PI. CXCV. f. 258. 



Genus 6i. MYTHIMNA, Ochs., Treitsch. (Stephens.) 



Legs, moderate ; femora and tibia; stout, and densely pilose in 

 the males. 



Wings, slightly deflexed; anterior entire, acute at the apex, 

 with the stigmata nearly or quite obliterated ; posterior 

 obsolctely einarginate on the hinder margin. 



Antenucc moi\c\\\Xii, shortest in the females; finely ciliated in 

 both sexes, stoutest, and somewhat pubescent beneath in 

 the males. 



Palpi short, ascending, densely enveloped in scales, the apica! 

 joint not exposed; triarticulate, the basal joint scarcely 

 one-third as long as the second, bent; the second very 

 long, slightly atteiuiated towards the apex, not so stout 

 as the first, a httie curved ; terminal small, elongate-ovate, 

 subacuminate, conic: maxillce as long as the aiitenniu. 



• Ciiaractcrs from f'nrtis, Jirit. Enl. II. pl. "J 2. 



\ KoLt^-z/i, Culpc, an urn ; from the peculiar hollows of the fore-wing';. 



N. S. Vol. (J. No. 32. Aug. 1829. P JLad 



