'510 Mr. W. Scliaus on 



black dorsal (ufts at base, middle, and end. Wings crossed 

 by antemedial, medial, postmedial, and subterminal roseate- 

 brown shades ; terminal black spots. Fore wings : small 

 clusters of black scales on costa, cell, fold, and inner margin 

 of antemedial and postmedial shades. Fore wings below 

 fuscous grey. Hind wings below whitish ; a faint sub- 

 terminal fuscous shade, and medial shade on costa. 



Expanse 12 mm. 



Hab. Esperanza. 



Thyriodes terrabensisj sp. n. 



(J. Palpi, head, and collar dark brown irrorated with 

 white. Thorax dark purplish grey, tho patagia edged with 

 dark brown. Abdomen similar, the dorsal tufts dark brown. 

 Fore wings dark purplish grey ; diffuse basal and subbasal 

 brown shades; antemedial fine, outangled, followed by a 

 small fuscous triangular spot on costa, and a larger one on 

 inner margin, the latter with inner edge oblique, outer edge 

 vertical, posterior edge excurved ; a vertical fuscous medial 

 shade; postmedial fuscous, fine, sinuou?, and outangled just 

 below vein 6, lunular from vein 3 to inner margin, followed 

 on costa by a fine white line and fuscous brown shade, which 

 are both upturned towards costa at vein 6 ; a dark brown 

 terminal lunular line. Hind wings fuscous brown with some 

 darker scaling at anal angle ; a pale line at base of cilia. 

 Fore wings below grey-brown, shaded with clearer brown 

 towards apex ; costa to postmedial line thickly irrorated with 

 white; postmedial white, macular on costal margin; three 

 wliite points and a white subterminal streak on costa. Hind 

 wings below brown, streaked with whitish grey on inner 

 margin ; a postmedial whitish line, distinct only on inner 

 margin ; cilia on both wings mottled with white below. 



Expanse 27 mm. 



Hab. Terraba. 



Near T. dissimilis, Dr. ; darker, more uniformly coloured. 



Homoptera excellens, sp. n. 



cJ . Palpi brownish buflf shaded above with black. Head, 

 collar, and thorax pale rufous, with some white mottling 

 posteriorly on thorax. Abdomen buff irrorated with dark 

 grey. Fore wings : base brown, crossed by a subbasal and 

 antemedial paler line, the former inwardly edged with fuscous 

 on costa ; a fuscous streak at base of inner margin ; medial 

 space inwardly broadly greyish buff, partly mottled with pale 

 greenish scales, and containing a minute black point in cell. 



