318 Mr. W. Schaus's 



Collema, Schs., sp. nov. 

 Grisea, Schs., sp. nov. 

 Cassandra, Schs., sp. nov. 



Nubila, Druce, Ann. and Mag. Nat. Hist. (7) vii, p. 

 437 (1901). 



Rifargia f elder i, sp. nov. 



Head and thorax white with a few black scales ; a transverse 

 black line on collar, and a longitudinal black line on patagiae. 

 Primaries white with a few scattered black scales ; a fine geminate 

 black inner line, inwardly oblique from costal to subcostal, then 

 outwardly curving to submedian with another short curve below it ; 

 this line joined on subcostal by a geminate line from the base ; at 

 end of cell geminate lines connected on median by a black line and 

 also on subcostal by two oblique lines from costa ; the outer line 

 wavy, geminate, followed on inner margin by a black spot ; terminal 

 line fine indistinct, lunular towards anal angle • between vein 4 and 

 apex some subterminal brownish shadings. Secondaries white ; a 

 small dark spot at anal angle. 



Expanse 38 m.m. 



Hob. Peru. 



Rifargia collema. 



Head and collar grey mottled with brown. Thorax brown ; the 

 patagiae grey mottled with white. Abdomen brown. Primaries 

 white irrorated with grey, and shaded with brown below the median 

 vein ; a geminate basal costal streak ; an antemedial, geminate, 

 wavy, dark brown line, filled in with lighter brown ; a whitish 

 lunular discal spot ; two median dark streaks on costa ; an outer 

 geminate, wavy line, the inner part black, the outer part brown, less 

 heavily marked ; the outer line followed below costa by two velvety- 

 black spots, and by three less conspicuous spots below and above 

 vein 2, and between veins 3 and 4 ; a subterminal black line, nearly 

 straight from costa to vein 3, then forming three curves to inner 

 angle ; terminal dark shades at veins ; fringe grey. Secondaries 

 whitish ; the outer margin broadly black ; some terminal white 

 shades between the veins ; fringe white. 



Expanse 39 m.m. 



Hob. Colombia. 



Rifargia grisea. 



Head and collar brown. Thorax grey. Abdomen buff at base, 

 then brown ; the last two segments dorsally white irrorated with 



