LEPIDOPTERA HETEROCEBA. 783 



ACONTIA DIMIDIATA. 



Foera. Subaurato-alba ; palpi porrecti, articulo 3o longi-conico ; 

 alee anticce Uriels quatuor obscure rufis, \a fiexa strigulam 

 emittente, 2a subrecta, 3a valde flexa, \a subundulata antice 

 furcata ; posticce ceneo marginatce. 



Female. White, slightly gilded. Head very prominent in 

 front. Palpi porrect, not extending beyond the head ; third joint 

 elongate-conical, more than half the length of the second. Fore 

 wings with four irregular dark red lines, which are narrower in 

 front; first line bent outward, with a short streak between it and 

 the second, which is nearly straight ; third much bent outward in 

 front; fourth slightly undulating, forked near the costa ; fringe 

 partly dark red. Hind wings aeneous towards the exterior border. 

 Length of the body 5 lines ; of the wings 12 lines. 



a. St. Domingo. From Mr. Tweedie's collection. 



ACONTIA VENUSTULA. 



Fcem. Alba ; caput cervino fasciatum ; palpi porrecti, apices 

 versus cervini, articulo 3o longi-conico ; thorax ochraceus, 

 antice albus ; abdomen subauratum ; alee anticce ochracece, 

 fascia cana obliqua fusco marginata antice abbreviata, linea 

 marginali albida ; posticce aurato-cinerece. 



Female. White. Head with a fawn-coloured band in front of 

 the antennas. Palpi smooth, porrect, fawn-coloured towards the 

 tips, not extending beyond the head ; third joint elongate-conical, 

 nearly half the length of the secoud. Thorax ochraceous, except in 

 front. Abdomen slightly gilded. Fore wings ochraceous, with a 

 hoary oblique brown-bordered band, which extends outward from 

 before the middle of the interior border and is dilated beyond the 

 middle of the breadth and terminates at three-fourths of the breadth ; 

 marginal line whitish. Hind wings gilded cinereous. Length of 

 the body 4£ lines ; of the wings 12 lines. 



a. St. Domingo. From Mr. Tweedies collection. 



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