304 Mr. W. Scliaus on 



with a faint subterrainal pale lunular line, preceded by a 

 black shade at vein 6; an interrupted terminal dark brown 

 line. Hind wings greyish, with traces of two lunular dentate 

 postmedial lines, closer together on inner margin ; a terminal 

 fuscous line. Fore wings below fuscous grey ; the outer 

 margin and iiind wings brownish white; black discal points ; 

 the two postmedial lines finely lunular dentate; two con- 

 verging lines from costa before apex of fore wing. 



Expanse 26 mm. 



Uab. Poas. 



This species shows considerable variation, especially in the 

 intensity of the antemedial fascia. 



Perizoma pudens, sp. n. 



Palpi and body black-brown, except terminal half of 

 abdomen, which is light grey. Fore wings light silky grey ; 

 basal fourth dark brown, crossed by two fine black lines, 

 starting from indistinct fuscous-grey spots on costa ; a faint 

 fuscous spot at end of cell; a postmedial and a smaller sub- 

 terminal dark brown spot on costa ; a faint postmedial darker 

 shade and some dark points on veins ; termen irregularly 

 and faintly shaded with brown; cilia fuscous grey. Hind 

 wings wliitish grey. 



Expanse 17 mm. 



Uab. Turrialba, Poas. 



Near P.fallax, Warr. 



Perizoma tcetrica, sp. n. 



(J . Palpi and frons black-brown, vertex paler, shaded with 

 grey behind. Collar and three terminal segments of abdo- 

 men whitish grey ; abdomen otherwise and thorax black- 

 brown. Fore wings : basal third fuscous brown, crossed by 

 three fine wavy black lines, the outer two edged with grey 

 on costa; outer two-thirds pale grey shaded with fuscous 

 grey at end of cell, terminally, and broadly on inner margin 

 from postmedial line to tornus ; a quadrate dark brown 

 postmedial spot on costa, from which are two fine and 

 interrupted dark lines, slightly incurved, and macular on 

 inner margin ; a subterminal broad fuscous-brown shade 

 from costa to near vein 6 ; a terminal black line interrupted 

 by pale spots on veins ; cilia grey partly shaded with black. 

 Hind wings dark silky grey-brown ; the dark postmedial 

 line of underside partly visible. Wings below dark silky 



