1598 CATALOGUE OF 



tips ; costa straight ; exterior border slightly convex, extremely 

 oblique. Length of the body 3 lines ; of the wings 10 lines. 



This species seems to be allied to Erosin, 



a. St. Domingo. From Mr. Tweedie's collection. 



AciDALIA IMPARATA. 



Foem. Testaceo-cinerea ; palpi gracillimi, caput paullo superantes; 

 alee latiusculce, linea submarginali albida undulata ; anlicce 

 subacute. 



Female. Testaceous-cinereous. Palpi porrect, very slender, 

 extending a little beyond the head ; third joint very much shorter 

 than the second. Legs slender; hind tibiae with four long spurs. 

 Wings moderately broad ; submarginal line whitish, undulating. 

 Fore wings slightly acute ; costa straight; exterior border slightly 

 convex, rather oblique. Length of the body 3 lines ; of the wings 

 10 lines. 



a, b. Jamaica. From Mr. Gosse's collection. 



ACIDALIA ? EXTERNATA. 



Foem. Cinerea ; caput et thorax anticus cervina ; palpi cervini, 

 a seen denies, recurvi, articulo 3o albo minimo ; alee angustce, 

 elongata ; anticce subacute, lineis interiore et exteriore e punctis 

 nigt'is, linea media recta spatioque marginali cervinis, hoc 

 lineam submarginalem pallidam angulosam plagasque duas 

 nigricantes includente, fimbria fusco punctata. 



Female. Cinereous. Head and fore part of the thorax fawn- 

 colour. Palpi fawn-colour, ascending, recurved, not rising so high 

 as the vertex ; third joint white, conical, very minute. Abdomen 

 extending a little beyond the hind wings. Wings narrow, elongate. 

 Fore wings slightly acute; lines very oblique; interior and exterior 

 lines composed of a few black points ; middle line straight, fawn- 

 coloured ; marginal space fawn-coloured, intersected by the zigzag 

 pale cinereous submarginal line, and including two blackish patches ; 

 fringe with browu points ; exterior border straight, rather oblique. 

 Hind wings without markings. Length of the body 3£ lines; of 

 the wings 9 lines. 



This species does not properly belong to Acidalia, and the dis- 

 covery of more specimens may afford sufficient characters for it as a 

 new genus. 



a. St. Domingo. From Mr. Tweedie's collection. 



