LEPIDOPTERA HETEROCERA. 1359 



which is flecked with black, and bordered with white. Hind wino.s 

 slightly tawny towards the base. Length of the body 15 lines ; of 

 the wings 40 lines 



a, b. Venezuela. From Mr, Dyson's collection. 



Group 9. 



Mas etfcem. Corpus sat validum. Thorax pilislongis erectis. 

 Alae latae ; anticae subacuminatae, apud costam vix convexae, margine 

 exteriore recto mediocriter obliquo. Mas. — Antennae latissime pec- 

 tinaiae ; rami ciliati, inaequaliter duplieati. Alae posticae abdomen 

 paullo superantes. Fcem.— Alae posticae abdomen vix superantes. 



Male and female. Body moderately stout. Thorax with long 

 erect hairs. Wings broad. Fore wings very slightly convex in 

 front ; apical angle somewhat rounded ; exterior border straight and 

 moderately oblique ; second inferior vein much nearer to the first 

 than to the third. Male. — Antennae very deeply pectinated ; each 

 branch accompanied by a slender branch, which is much more than 

 half the length of the other on the interior side, but much shorter 

 on the exterior side. Abdomen extending to three- fourths of the 

 breadth of the hind wings. Female. — Abdomen extending nearly 

 as far as the hind wings. 



17. DlRPHIA SEMIROSEA. 



Mas et foam. Fusca, rosea varia ; antenna pallide testacece ; tho- 

 rax pi lis longissimis albidis ; abdomen roseum, fasciis niyris ; 

 alee obscure rosece, fusco fasciatce ; anticce fasciis duabus in- 

 terrupt is a I bis. 



Male and female. Brown. Head and legs partly rosy. An- 

 tennae pale testaceous. Thorax with very long erect whitish hairs. 

 Abdomen rosy, with black bands. Wings dull pale rose-colour; 

 veins dark brown ; fringe luteous. Fore wings with two diffuse 

 irregular and interrupted brown bands, and with two interrupted 

 while bands. Hind wings with a slight cinereous tinge, which dis- 

 appears towards the exterior border; near the latter there are 

 two curved brown bands and a row of submarginal brown spots. 

 Length of the body 10 — 13 lines ; of the wings 28 — 34 lines. 



d, b. ? Presented by E. Doubleday, Esq. 



c. Mexico. From M. Hartweg's collection. 



3 E3 



