LEPIDOPTERA HETEROCERA. 1003 



the legs ochraceous. Fore wings with a blackish serpentine band 

 which extends from near the base of the interior border to near the 

 tip of the costa, and is bordered with -deep black in front; a deep 

 black dot in the disk in front of the band ; marginal points deep 

 black. Length of ihe body 9 lines ; of the wings 17 lines. 



Natal. In Mr. Saunders' collection. 



Genus RHOSOLOGIA. 



Mas. Corpus robustum. Fasciculus frontalis productus, 

 acutus. Proboscis mediocris. Palpi lati, compressi, vix angulati, 

 dense firabriati, caput longe superantes; articulus 3us 2i dimidio 

 non longior. Antennae dense setosae. Pedes robusti, latissime 

 fimbriati; calcaria longa, valida. Alae anticee latae, acutae, margine 

 exteriore subflexo. 



Male. Body stout. Frontal tuft acute, very prominent. 

 Proboscis of the usual length. Palpi broad, compressed, extending 

 much beyond the head, broadly and thickly fringed beneath ; 

 second joint very slightly ascending; third porrect, about half the 

 length of the second. Antennae thickly setose. Legs stout; femora 

 and tibiae very broadly fringed ; spurs long, stout. Wings broad. 

 Fore wings acute ; exterior border very slightly bent opposite the 

 second inferior vein, which is much nearer to the first than to the 

 third ; fourth very remote from the third. 



Rhosologia porrecta. 



Mas. Albido-cinerea ; caput subtus pectusque nigra ; pedes nigri- 

 cantes, pallida fimbriati ; alee punctis marginalibus nigris ; 

 anticee nigro subconspersce } guttis tribus nigris, lineis duabus 

 exterioribus e punctis nigris ; posticce plaga apicali fusca 

 maxima. 



Male. Whitish cinereous. Head beneath, palpi except above, 

 and pectus black. Legs blackish, fringed with pale hairs. Wings 

 with black marginal points ; under side ochraceous-cinereous. Fore 

 wings thinly and minutely black-speckled, with a black dot near the 

 base, with another in the disk before the middle, with a larger one 

 in the disk beyond the middle, and with two exterior incomplete 

 oblique lines of black points. Hind wings with a very large brownish 

 apical patch. Length of the body 9 lines ; of the wings 22 lines. 



a. Mexico. From Mr. Argent's collection. 



