( 339 ) 



the outer lower eud of which a curved brown line runs np to apex witli a black 

 dash upon it ; the cell-fold and space beyond between veins 5 and (i are com- 

 pressed, forming a kind of projecting pleat on underside and a corresponding 

 channel above; a dark line fi'om costa to outer margin cuts off an apical triangle; 

 fringe fulvous. 



Jliniltcing : fulvous with numerous brown reticulating lines; the fold along 

 cell present, bnt less prominent. 



Underside rather paler, witli the reticulations reproduced : hiiidwiiig with 

 abdominal margin ochreous. 



Head, thorax, and dorsum deep fulvous ; venter and legs paler. 



Expanse of wings : 26 mm. 



2 ? ? from Aroewarwa Creek, Maroowym Valley, Surinam, June lyijo 

 (Klages). 



40. Iza rufidorsata spec. nov. 



Forewing : chocolate-brown ; tlie costa reddish ; traversed by vertical pale 

 lines ; basal and antemedian parallel, sliglitly obli(jue inwards ; a postniediau 

 slightly bent running into anal angle ; a submarginal running from costa tn outer 

 margin below middle ; between these are more slender and obscure pale lines and 

 slight reticulations ; fringe brown. 



Himlwiiig : wirh antemedian anil postnirdiau lines and traces of finer ones. 



Underside like upper: the costa of forewing throughout and of hindwing near 

 base dull yellow. 



Face dark brown ; vertex, thorax, and dorsum bright orange-red ; abdomen 

 beneath and at sides brown. 



Expanse of wings : :i'2 mm. 



1 S from Aroewarwa Creek, Maroewym Valley, Surinam, May 1005 (Klages). 



41. Iza sectiliuea spec. nov. 



ForewiiKj : straw-colour, with the veins and reticulations finely browu ; costa 

 with small brown triangles and an oblong mark at three-fourths ; a triangular 

 browu space at apex reaching to middle, darker-edged internally, joined between 

 veins 5 and G by a straight browu streak from middle of costa ; some slight brown 

 suffusion between the reticulating lines at anal angle and beyond middle of iimer 

 margin ; fringe brown with deeper mottlings. 



Hiiulwing : the same, but without markings except a slight browu median 

 band containing a round black discal spot ; fringe brown. 



Underside like upper. 



Head anil shoulders brown ; thorax, patagia, and abdomen ochreous, the last 

 with brown rings ; basal segment with a pair of black spots, second segment with 

 one in the middle, the three forming the angles of a triangle. 



Expanse of wings : 24 mm. 



2 ? ? from Fontc Boa, Upper Amazons, May 1906 (Klages). 



Wings narrow and elongate ; costa of forewing depressed at apex ; outer 

 margin sinuous. 



Allied to /. gracilis Moeschler. 



4~. Iza spurcatula spec, nov 

 Fore/ring : fawn-colour, with small blackish reticulations ; a double series of 

 these just before and beyond middle forms two interrupted bauds ; costti with small 



