Mr. Butler's descriptions of Cryptolecliici. 191 



20. Gryptolechia alligans, n, sp. 



Primaries above rather pale browu, witli a lilac gloss ; costal 

 and outer margins narrowly golden-bronze colour ; inner naargin 

 dark brown ; a blackish dot at the end of the cell ; secondaries 

 shining testaceoiis, greyish toAvards the base ; body grey, the 

 head and prothorax sordid testaceoiis, below creamy-whitish, 

 anal segments reddish ; wings below pale shining fawn colour, 

 costa of primaries ochreous. Expanse of wings 1 6 mm. 



West bank of Rio Negro, 14th and 16th June, 4th of Jiily ; 

 Gaviao, Rio Jurua, 6th and 10th November. 



A common little species, with vnnoh. depressed fringes to the 

 wings, so that in some lights they appear almost black. 



21. Gryptohdiia pt'Ccaiiti, n. sp. 



Primaries above pale reddish-brown, with a lilac gloss ; the 

 triangidar costal spots at equal distances, the innermost smallest, 

 and two unequal spots, one above the other, across the cell, 

 black ; an oblique line imiting the innermost costal spot, the 

 discoidal spots and the centre of inner margin, brown ; a slightly 

 curved brown transverse discal hne ; a dot on discocellular and 

 a marginal series, blackish ; secondaries pale stramineous, 

 becoming reddish at apex ; body rosy-brownish, palpi whitish- 

 black at the base, abdomen whitish ; body below Avhite ; wings 

 below pale stramineous, tinted externally Avith rose-red. Ex- 

 panse of wings 18 mm. 



Santarem, Rio Jutahi, 1st February, 1875. 



22. CrtjptulecJda Trailii, n. sp. 



Primaries greyish-broAvu, shining; the basal two- thirds almost 

 covered by large irregular pale yelloAV carmine-bordered spots, 

 two of which cross the cell, and three of which form a triangle 

 below it ; disc pale yelloAV, bounded on each side and intersected 

 through the centre by crenulated carmine lines ; costal margin, 

 fringe and inner margin, carmine ; secondaries creamy Avhite, 

 fringe rose-red, becoming yellowish towards anal angle ; pri- 

 maries below rosy, the costa Avhitish ; secondaries creamy-white, 

 tinted externally with rose colour. Expanse of wings 20 ram. 



Forest before Arimanahy, 3rd January. 



Allied to C. incensatella and to C. J'ervida of Zeller. 



