HETEROCEROUS LEPIDOPTERA. 27 



alis posticis perparum hyalinis fusco pallidissime marginatis fimbria 

 alba. 



Male. Very pale cinereous. Head deep black in front. Thorax 

 in front with a slender deep black band, which is dilated in the 

 middle and has behind it two transverse brown lines, of which the 

 second is speckled with black. Fore wings with a few black speckles 

 and with irregular black lines along the veins: three oblique black 

 streaks along the costa ; exterior half with very pale brown streaks ; 

 marginal points black. Hind wings very slightly hyaline, bordered 

 with very pale brown ; fringe white. Length of the body 5i lines ; 

 of the wings 1J2 13 lines. 



45. POLYTELA INCLTTA. Mas. Nigra, palpis robustis porrectis 

 caput non superantibus articulo 3o brevissirno, antennis validis setu- 

 losis, thorace postice luteo-biguttato, alis anticis cinereo nigris fasciis 

 quatuor nigris indeterminatis la puncta lutea includente 2a lineam 

 luteam undulatam includente 3a furcata lineam luteara angulosam in- 

 cludente 4a submarginali dentata lineam pallide luteam dentatam 

 biclavatam includente orbiculari puncta dua lutea nigro marginata 

 includente reniformi luteo nigroque marginata, alis posticis nigricante 

 cinereis. 



Male. Black, blackish cinereous beneath. Palpi stout, porrect, 

 not extending beyond the head ; third joint extremely short. Antennae 

 stout, very minutely setulose. Thorax with a luteous dot on each 

 side near the hind border. Fore wings cinereous-black, with four very 

 irregular black bands ; first band basal, including some luteous 

 points ; second antemedial, including a luteous undulating transverse 

 line; third postmedial, forked in front, including a luteous zigzag 

 line ; fourth submarginal, dentate, including a pale luteous dentate 

 line, which is connected with a pale luteous apical spot and with a pale 

 luteous spot at the end of the interior border ; orbicular mark round,, 

 including two luteous points, bordered with brown ; reniform bordered 

 with luteous and with black. Hind wings blackish cinereous. Length 

 of the body 4 lines ; of the wings 13 lines. 



It differs from P. florifera in the shape of the reniform mark of 

 the fore wings. 



Genus ARVADUCA. 



Fcem. Corpus breve, crassum. Proboscis robusta. Palpi breves, 

 validi, subarcuati, ad frontem applicati, verticem non superantes ; 

 articulus 3us lougi-conicus, minimus. Antennae glabrae. Abdomen 

 lanceolatum, alas posticas non superans. Pedes validi, fimbriati; 



