178 ME. F. WALKER ON" HETEROCEROTTS LEPIDOPTERA 



serrated. Female. Antennae serrated. Abdomen extending much 

 beyond the hind wings. 



218. Degia imparata, n. s. Mas et Fazm. Sordide alba, antennis 

 maris triente apicali serratis, alis anticis strigis transversis nigrican- 

 tibus saepe interruptis. 



Male and Female. Dingy white. Antennae of the male pectinated to 

 much beyond half the length. Abdomen of the male clothed with 

 long hairs. Fore wings with slight, transverse, partly interrupted, 

 blackish streaks. Length of the body 8-9 lines; of the wings 16 lines. 



219. Degia deficiens, n. s. Mas. Sordide alba, antennis maris apice 

 serratis, alis anticis strigis transversis fuscis plus minusve interruptis. 



Male. Dingy white. Antennae pectinated nearly to the tips. Abdo- 

 men clothed with long hairs. Fore wings with many slight, transverse, 

 more or less interrupted, brown streaks. Length of the body 4-5 

 lines ; of the wings 12-14 lines. 

 This species much resembles the preceding one, but may be distinguished 

 by its smaller size and by the different structure of the antennae. 



Earn. CYMATOPHOBIDiE, Herr.-Sch. 

 Gen. Thyatira, Oclis. 



220. Thyatira magniplaga, Walk. Cat. Lep. 3rd ser. 1643. 



Tarn. BOMBYCOID^E, Guen. 

 Gen. Diphtiiera, Ochs. 



221. Diphthera jucunda, n. s. Faim. Glauco-viridis, thorace fascia 

 nigra albo marginata, abdomine punctis lateralibus nigris, alis anticis 

 lincis quatuor integris lineaque costali flexa lituram discalem inclu- 

 dente nigris denticulatis albo marginatis, alis posticis cinereis fusco 

 latissime marginatis. 



Female. Glaucous green. Palpi ascending, black above and at the 

 tips; 3rd joint hardly one-third of the length of the 2nd. Thorax 

 with a black white-bordered band. Abdomen with black points along 

 each side. Fore wings with four denticulate black white-bordered 

 lines ; 3rd line double, including a white space; two other lines form- 

 ing a looj) from the eosta, and enclosing the black transversely oblong 

 whitc-pupilled discal mark; marginal line composed o£ elongated 

 black white-bordered dots ; fringe with blackish marks. Hind wings 

 cinereous, with a very broad brown marginal band ; exterior border 

 and fringe as in the fore wings. Length of the body 7 lines; of the 

 wings 16 lines. 



Gen. Acronycta, Ochs. 



222. ACBONYCTA RUBIGIMOfA, n. s. Fuim. Rubiginoso-cinerca, ab- 

 domine pallide cinereo, alis anticis lituris costalibus fuscis striga ob- 



