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NEW AMERICAN THYBIBIDAE, UBANIIBAE, AND 

 OEOMETRIBAE. 



By W. warren, M.A., F.E.S. 



Family THYRIDIDAE. 



1. Siculodes figurata spec. nov. 



Forewiny : chalk-white, covered with dark and light brown transverse lines 

 forming an irregular reticulation ; costa at base bronzy fiiscons, its edge marked 

 with tine and regular blackish dots ; from these descend pairs of brownish lines, 

 which widen out in cell ; before the hindmargin from vein 4 to 7 the reticulations 

 are filled up with brownish to form an elongated blotch ; marginal line and fringe 

 very pale pinkish, the fringe below apex mottled with grey ; an oblique brown line 

 on discocellular. 



Ilindwinq : paler ; the transverse striae rufous brown, hardly forming re- 

 ticulations. 



Underside with the striae fewer and thicker, rufous grey in both wings ; in 

 the cell and beyond it along the subcostal vein and veins 8, 9 are deep black and 

 metallic scales mixed on a pale rufous subcostal streak ; costal edge with black 

 dots as above. Head, shoulders, and base of patagia bronzy fuscous ; rest of 

 patagia, thorax, and abdomen white. 



Expanse of wings : S 22 mm. ; ? 26 — 30 mm. 



1 (?, 2 ? ? from Santo Domingo, Carabaya, S.E. Peru, 6000 ft., February and 

 November 1902, wet season (Ockenden). 



Allied to both punctum Feld. and rufifimbria Warr., but differing in certain 

 points from both. 



2. Siculodes lacteguttata spec nov. 



Foriiwinq : semi-transparent, glossy iridescent white, traversed by numerous 

 irregular grey-green sinuous interlacing lines, by the coalescence of which the 

 whole surface is reduced to a closely-packed congeries of roundish white spots of 

 varying size, the larger ones lying on the veins aad forming bej'ond middle a 

 postmedian series of large irregular blotches and a snbmarginal row of smaller 

 more uniform round ones ; costa dark iron-grey with white speckling ; marginal 

 line interrupted, dark greenish, swollen into spots at the end of the veins, which 

 partially chequer the white fringe. 



Hindwing : similar, slightly whiter. 



Underside white with the markings of upperside only showing through ; 

 the costal edges and marginal dashes marked in green, and a series of black and 

 white glistening hairs at base and along upper margin of cell of forewing. 



Face, palpi, vertex, and thorax iron-grey ; aj)ical half of patagia, metathorax, 

 and abdomen white ; legs mottled dark grey and white. 



Expanse of wings : 52 mm. 



1 ?, from Santo Domingo, (Jarabaya, S.E. Peru, 6000 ft., April 19o2, end 

 of wet season (Ockenden). 



