262 LEPIDOPTERA HETEROCERA. 



Var. ? Nigro-fusca ; caput flavum, vertice fronleque fuscis ; 

 antenna nigra; thorax testaceo quadrivittatus ; aim anticce 

 apice alba ; postica nigra fascia lata cinereo-hyalina ; abdomen 

 supra nigro-cyaneum ; coxce et femora subtus albida. 



Dark brown. Head yellow, dark brown above and in front. 

 Proboscis pale testaceous. Antenna? black. Thorax with four pale 

 testaceous stripes. Fore wings with snow white tips ; veins testace- 

 ous. Hind wings black, with a broad grayish hyaline stripe which 

 is uarrower on approaching the hind border near the tip. Abdomen 

 blackish blue above. Coxae and femora dingy white beneath. 

 Length of the body 6 lines ; of the wings 16 lines. 



a. Tapayos, Brazil. From Mr. Bates' collection. 



110. EUCHEOMIA THOAS. 



Alee anticce fuscce ; posticce atrce disco subhyalino ; prothorax 

 sanguineus. 



Zygaena Thoas, Fabr. Sp. Ins. ii. 166, 53 ; Mant. Ins. ii. 107, 66 ; 



Ent. Syst. iii. 1, 407, 72. 

 Sphinx Zygama Thoas, GmeL ed. Syst. Nat. i. 5, 2400, 159. 



Var. ? Caput et thorax anticus rufo bimaculata ; alee anticce apice 

 albce ; abdomen cyaneum ; coxce anticce ad partem rufes- 

 centes. 



Var.? Head and fore part of thorax with two red spots on 

 each side. A little white on the tips of the fore wings. Abdomen 

 blue. Fore coxae partly reddish. Length of the body 6 lines ; of 

 the wings 16 lines. 



a. Demerara. Presented by J. S. Bowerbank, Esq. 



111. Euchbomia Thetis. 



Ccerulea ; humeri rubro punctati ; alee nigra, anticce apice, posticce 

 disco hyalince. 



