LEPIDOPTERA HETEROCERA. 147 



Female. Black or bright blue, according as the aspect varies. 

 Head white in front, ochraceous behind. Antennae ascending 

 nearly to the vertex ; first joint pale yellow ; third conical, not more 

 than one-sixth of the length of the second. Thorax ochraceous on 

 the fore border. Pectus and under side of the abdomen white. 

 Abdomen extending rather beyond the hind wings. Legs white 

 beneath. Fore wings with a large oblique fusiform semihyaline 

 white spot in the disk beyond the middle ; fringe white at the tip. 

 Hind wings with a broad discal semihyaline white streak, which is 

 attenuated towards the base of the wing. Length of the body 

 7 lines ; of the wings 18 lines. 



a. Ega. From Mr. Bates' collection. 



Genus AGYRTA. 



Agyrta lucida. 



Mas. Cyanea aut atra ; caput apud oculos subtusqae album ; palpi 

 verticem attingentes, subtus albi, articulo 3o conico parvo ; 

 antenna pec tinatoe ; abdomen cinereo bivittatum, subtus album ; 

 pedes subtus albi; alee vitrea, margine lato cyaneo aut atro ; 

 antics fascia lata obliqua cyanea aut atra. 



Male. Deep bright blue or deep black. Head white about 

 the eyes and beneath. Palpi white beneath, ascending as high as 

 the vertex ; third joint conical, minute. Antennae moderately pec- 

 tinated. Abdomen with two cinereous stripes, extending somewhat 

 beyond the abdomen ; under side and legs beneath white. Wings 

 vitreous, with a bright blue or deep black border, which is very 

 broad at the tips ; veins and a broad oblique band on the fore wings 

 of the same hue. Length of the body 7 lines ; of the wings 

 24 lines. 



Bogota. In Mr. Birchall's collection. 



Agyrta gavisa. 



Foem. Cyanea aut atra ; caput antice et apud oculos album ; palpi 

 porrecti, caput paullo superantes, articulo So parvo ; antenna 

 serrata ; abdomen subtus album, alas posticas dimidio 

 superans ; ala nigro-cyanea, basi cyanea, vitta pallida vitrea 

 interrupta extus dilatata ; postica vitta albida vitrea. 



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