16 HAUSTELLATA. — LEPIDOPTEUA. 



character which has been hekl to be so constant in the order Lepi- 

 doptera, as to distinguish the families ; consequently, when applied 

 as a test to discriminate species^ its importance must be vastly 

 superior. 



A. Posterior wings with the three anterior nervures simple at the apex, the 



fourth trifid. 



Sp. 1. bicuspis? Plate 13. f. 3. — Alts niveis, anticis basi margineque postice 

 nigro punctatis, fascia transversa utrinque subsinuatd cinered, thorace antice 

 albo. (Exp. alar. $ 1 unc. 2 — 5 lin. : ? 1 unc. 4 — 6 lin.) 



Bo. bicuspis. Borkhausen ? — Co. bicuspis. Steph. Catal. No, 5958. 



Anterior wings snow-white at the base, with one basal and five transverse black 

 spots; then a broad cinereous fascia, thickly sprinkled with orange, mar- 

 gined anteriorly with black and orange, and terminating irregularly with a 

 waved border posteriorly ; between the fascia and the apex is a broad whitish 

 space, with three or four transverse undulated dusky strigae, and a central 

 black spot ; the terminal striga is bent inwardly towards the tip of the wing, 

 and is bordered externally towards the costa with an oblique abbreviated 

 cinereous fascia, with orange spots; the hinder margin is pure white, with a 

 row of black spots : posterior snow-white, with a central spot and the ner- 

 vures fuscescent; the margin spotted with black, and an obscure dusky- 

 transverse fascia: thorax anteriorly white, posteriorly bluish-black, with 

 transverse orange fasciae. 



Caterpillar luteous-red, with three large brownish-red spots on the sides ; be- 

 neath greenish : feeds on wLUow. 



Rare in England : it has been taken occasionally at Darenth- 

 wood, in July. " Near Dublin, not very uncommon."'"' — Rev, J. 

 Bulwcr, who kindly supplied me with a fine series. 



Sp. 2. Integra. Plate 15. f. 3. — AUs albidis, anticis basi margineque postico 

 nigro punctatis, fascia transversa utrinque nigro marginata cinerea, thorace 

 cinereOjfasciis transversis nigris. (Exp. alar. 1 unc. 7 lin.) 



Ce. Integra. Steph. Catal. JVo. 5959. 



AUied to the preceding, but larger: anterior wings white, with a black spot at 

 the base, then a transverse row of four black spots, followed by a broad uni- 

 form cinereous fascia, deeply margined on both sides with black and orange, 

 and thickly sprinkled with the latter colour within ; this band is followed by 

 a whitish space, having two minute black spots on the costa, with an abbre- 

 viated line between, resembhng the letter T, and continued by an irregular 

 waved streak; in the centre is also another minute black dot: the hinder 

 margin of the wing is pale cinereous, bordered anteriorly by a flexuous black 

 striga, and a deep abbreviated costal fascia : on the posterior margin is a row 

 of small black spots : posterior wings whitish, with an elongate central spot, 

 an obsolete fascia, the nervures and marginal dots dusky : thorax cinereous, 

 with thi-ee transverse black fasciee, the central one interrupted. 



