( 454 ) 



110. Pelurga straininea sp. nov. 



Forewings : pale straw-colour; the lines aiid markings gre}- -brown; first line 

 near base, curved and waved; second line similar, before one-third; followed by 

 two more lines, the space between them, except at costa, filled np with grey and 

 forming the inner band of central fiiscia; outer line at three-fourths, sinuous, 

 forming three blnnt teeth on vein 6, between veins '■^ and 4, and on the snbmcdian 

 fold; preceded by three waved lines, similarly, except on costa, filled in with grey; 

 the two grey bands meet below the median and on inner margin; cell-spot blackish; 

 a faint waved double brownish submargiual line; fringe pale straw-colour, with 

 brown basal line. 



Hindwings : wholly straw-colour, with brown cell-spot. 



Underside pale yellow; forewings with outer line of central fascia'thick, brown, 

 and with a slight apical streak; hindwings with obscure brown postraedian and sub- 

 marginal shades. Head, thorax, and abdomen straw-colour; thorax mixed with 

 grey. 



Expanse of wings : 26 mm. 



One cf from La Gama, Argentina, November 1803. 



The face of this insect is armed above with a bifid chitinous projection withnut 

 scales, and below with a lunulate- one, much less prominent. The margins of the 

 wings are plain and simply curved, not elbowed and creuulate as in I', comitata. 



120. Perizoma fasciolata sp. nov. 



Forewings : whitish or pale grey, with a slight ochreous tinge; first line waved, 

 near base; the basal area filled up with dark fuscous; central fascia with its inner 

 edge slightly, its outer much waved, formiiig two ])r(ijectious, one above, the other 

 below the cell, and incurved below the middle; its inner edge followed by one, its 

 outer ])receded by two waved lines; space between the inner lines filled np with 

 fuscous, forming a narrow fascia; the outer edge dark only from costa to middle; 

 submargiual line preceded by dark patches at costa, beyond cell, and at anal angle; 

 the pale spaces before and beyond the central fascia traversed, the first Ijy two wavy 

 lines, and the latter by one; fringe greyisli fuscous, with a tiiick line at base, inter- 

 rupted at the vein-ends. 



IJiiulirings : dull greyish fuscous, with a curved jmstmedian line, followed by 

 a similar pale fascia; fringe as in forewings: both wings with small cell-spots. 



Underside dull grey, with the markings showing through. Head and thorax 

 dark fuscous; abdomen paler. 



Expanse of wings : 20 mm. 



One 6 from Paraguay; also in some numbers from Goya, Argentine States. 



121. Psaliodes confusa sp. uov. 



Forewings ; white, the ground-colour more or less obliterated by olive-brown 

 suffusion, which is again powdered with white scales; an oblii|uely curved wavy 

 white fascia from one-third of costa to one-fourth of inner margin, its centre 

 traversed by a brown line and dusted throughout with brown: a similar fascia at 

 two-thirds, intermixed in the middle, white below the subcostal vein; a wavy white 

 submargiual line; fringe white externally, ehci]uere<l witii obliipie brown blotciies. 



Jlinihrings : grey-brown, with marks of two brown lines on inner margin only. 



Underside of forewings bronzy grey, mottled with white; a broad dift'use 



