382 Mr. Hamilton H. Diuce's Descriptions of 



costal margin — except the extreme base which is yellowish — cupreous, 

 extending well beyond the middle of the cell. Four irregular, 

 subhyaline, whitish spots, one in the middle of the cell, one each 

 between the median nervules and one just above the submedian 

 nervure. The three forming a row of which the centre is the 

 largest. Cilia of both wings whitish, except at apices where they 

 are brown. Under-side. Fore-wing cupreus ; discal and basal 

 areas blackish-brown, inner margin pale brown. Spots as on upper- 

 side, with the addition of a small yellow streak within the costal 

 nervure adjoining the cell spot. Hind-wing dark cupreus ; brownish 

 towards the abdominal margin. A central, irregular, silvery- 

 white patch composed of confluent quadrate patches and two 

 separate spots, the smaller placed near the end of the cell, the larger 

 beyond it, above the median nervure. Cilia as on upper-side. Palpi 

 and front of thorax yellow. Legs brown. Abdomen brown above 

 and below, clothed with buff hairs towards base on upper side. 

 Expanse 2fV inch. 



Hah. Carrillo, Costa Rica {Underwood). 



Allied to A. xstria, Hew., and A. dysoni, Godm., but dis- 

 tinguished by the different form of the silver marking on 

 the under-side of the hind-wing. 



Dion, Godman. 

 Dion gcmmatus. (Plate XXI, fig. 8.) 



Carystus gemmatus, Bull. Cist. Ent. I, p. 86 (1872). Lep. 



Ex. p. 186, t. 64, f. 2. 

 Dion gemmatus, Godm. B. C. A., Lep. Rhop. ii, p. 593, 



pi. cii, ff. 37, 38. $. 



$ . Upper-side rich dark brown : apical half brownish-buff, 

 darker towards apex, with dark brown veins. Under-side ; fore- 

 wing dark brown, apical half pale yellow with the veins dark 

 brown, gradually deepening towards the margins. Apex narrowly 

 dark brown. Cilia dark brown. Hind-wing as in $ . 

 Expanse 2\ inch. 



Hob. EscAZU, Costa Rica {Undenvood). 



This interesting insect is remarkable for its dissimilarity 

 to the ^. 



There are 3 ^ ^ in Mr. Godman's collection, but no $. 



