LEPIDOPTERA HETEROCERA. 1211 



Group 6. 



Antennae thorace vix breviores. Ala? amplae, macula vitrea 

 fasciaque undulosa semihyalina ; anticae apud costam subconvexae, 

 apice falcatae, margine exteriore unduloso et perobliquo, macula 

 vitrea mediocri subtrigona ; posticae valde latiores quani longa?, 

 macula maxima vitrea longiovata, abdomen alas posticas dimidio 

 superans. Mas. — Antennae latissime pectinatae. 



Antennae nearly as long as the thorax. Abdomen extending to 

 about half the breadth of the hind wings. Wings ample ; each with 

 a vitreous spot, and with an undulating semihyaline band which 

 joins the above spot ; it extends from two-thirds of the length of the 

 costa to two-thirds of the interior border of the hind wings. Fore 

 wings slightly convex in front, falcate at the tips, undulating and 

 very oblique along the exterior border ; vitreous spot of moderate 

 size, irregularly triangular, with the fore angle truncated. Hind 

 wings very much broader than long, very much broader than the 

 fore wings ; vitreous spot very large, irregularly elongate-oval, 

 about twice the size of that of the fore wings. 



9. Attacus Jacob,e#:. 



Mas. Roseus ; thorax albo bifasciatus ; abdomen albo quadri- 

 vittatum, vittis lateralibus roseo maculatis ; alee ferrugineo- 

 rufce, basi rosea, fascia semihyalina intus nigro extus roseo 

 mar g in ata, fascia exteriore subpurpurea albo conspersa necnon 

 fascia adhuc exteriore cervina interlineata, margine exteriore 

 testaceo ; alee antica? apud costam cinerea? subpurpureo con- 

 spersce, fascia lata alba extus nigro marginata, macula magna 

 subapicali cervina ex parte subpurpurea striga alba maculisque 

 iribus nigris contiguis ; posticce fascia basim versus arcuata 

 alba extus nigro marginata, maculisque apud marginem ex- 

 teriorem oblongis nigricantibus. 



Saturnia Jacobaeae, MSS. 



Male. Body rose-colour. Thorax with a white band in front 

 and another behind. Abdomen with four white stripes ; the lateral 

 pair with rows of rosy spots. Wings ferruginous-red, rosy towards 

 the base, gray and powdered with lilac along the costa of the fore 

 wings ; semihyaline band bordered with black on the inner side and 

 with rose-colour on the outer side ; beyond the latter there is a pur- 

 plish white-powdered band, along whose outer side there is a fawn- 

 coloured band ; exterior border testaceous, intersected by a slender 



