14 CATALOGUE OF 



1. DlCHROMIA OrOSIALIS. 



Cinerea,nigro conspersa ; abdomen luteum ; alee anticce subobtuscei 

 apud margincm exteriorem obscuriores, plaga maxima trigona 

 nigro-fusca ; posticce lutece, margine nigro-fusco angulum 

 versus inieriorem attenuate, linea marginali atra. 



Pbalsena (Noctua) Orosia, Cram. Pap. Exot., iii., 149, pi. 275, f. D. 

 Calymma Orosia, Hubn. Verz. Schmett., 281, 2760. 

 Dichromia Orosialis, Guen. Delt. et PyraL, 18, 7. 



a, b. Hindostan. From Mr. Milne's collection. 



c — e. Hindostan. From the collection of the Entomological 



Society. 

 /. Ceylon. From Mr. Stevens' collection. 



9- ? 



2. Dichromia trigonalis. 



Ferrugineo-fusca; thorax albo conspersus ; abdomen luteum; alee 

 anticce sat acuta, albo ex parte conspersce, plaga maxima tri- 

 gona nigro-fusca marginem interiorem attingente albo submar- 

 ginata ; posticus lutece, margine nigro-fusco angulum versus 

 inieriorem attenuate, linea marginali atra. 



Dichromia trigonalis, Guen. Delt. et PyraL 19, 8. 



a, Nepaul. Presented by Major-Gen. Hardwicke. 



3. Dichromia quadralis. 



Mas. Pallide cinerea ; thorax nigro conspersus ; abdomen pallide 

 luteum ; alee anticce nigricante-fuscce, basi albida? nigricante- 

 fusco conspersce, linea exteriore albida subundulata vix obliqua, 

 linea contigua magis undulata antice jlexa, linea tertia 

 postica undulata brevissima ; posticce pallide luteal, apice 

 nigricante-fuscce. 



Male. Pale cinereous. Thorax with black speckles. Abdo- 

 men and hind wings pale.luteous. Fore wings blackish brown; 

 basal part obliquely whitish with blackish brown speckles ; an 

 exterior transverse hardly oblique slightly undulating whitish line, 

 contiguous to which there is a more undulating line ; the latter is 

 abruptly bent outward in front and extends to the tip of the wing, 

 and has beyond it by the interior border a third very short undu- 

 lating whitish line ; submarginal festoon whitish ; marginal points 



