1893.] SPECIES OF LEPIDOPTERA HETEEOCEBA. 307 



Heterusia placilla, sp. n. (Plate XXI. figs. 10, 11.) 



Male. Primaries dark orauge-red ; the base, inner margin, a 

 band crossing the wing beyond the middle, and the outer margin 

 from the apex to the anal angle black. Secondaries black, ^A•ith a 

 wide submarginal orange-red band extending from the costal 

 margin near the apex to the anal augle ; the fringe of both wings 

 orange-red. Underside : primaries very similar to the np])erside, 

 but considerably paler in colour, and with the costal margin and 

 the apex shaded with reddish brown. Secondaries pale yellow, 

 crossed from the costal to the inner mai-gin by two bands of 

 reddish brown ; the outer margin i-eddish brown ; a row of metallic 

 siher spots extends round the outer margin from the apex to the 

 anal angle ; two metallic silver straight lines extend from the base 

 to the outer margin, the first along the inner margin, the second 

 right across the middle of the wing. The head, palpi, thorax, and 

 abdomen black, the anal tuft and underside of the abdomen orange- 

 red ; legs reddish brown. Antennae on the upperside alternately 

 black and white, on the underside black. 



Expanse f inch. 



Hah. Ecuador, Chiguinda {Buckley, Mns. D.). 



A beautiful little species, allied to S. chrysojjterata, Snellen, 

 from Colombia. 



Heterusia pinaea, sp. n. (Plate XXI. figs. 12, ]3 c? , 14 $ .) 



Male. Primaries red ; the base, inner margin, a line crossing the 

 wing beyond the middle from the costal to the inner margin all 

 black ; the outer margin broadly bordered with black from the 

 apex to the anal angle. Secondaries red ; the base, inner and 

 outer margin black; the fringe of both wings reddish. Underside: 

 primaries very similar to the upperside, but paler in colour ; the 

 apex brown. Secondaries brown, crossed about the middle by 

 t\AO reddish-brown bands. Head, antennae, thorax, and abdomen 

 black ; underside of abdomen and anus reddish brown ; legs brown. 



Ftiiiale. Yery similar to the male, but \Aithout the black band 

 crossing the primaries ; it is also paler on the underside. 



Expanse, d" $ , I inch. 



Hah. Ecuador, Chiguinda {Buclcley, Mus. D.). 



AUied to S. jfjlacilla, Druce, but very distinct on the underside. 



Heteeusia conon, sp. n. (Plate XXI. fig. 4.) 



Primaries and secondaries black, slightly greyish at the base of 

 both wings. Primaries crossed from tlie costal margin almost to 

 the anal angle by a wide white band ; the fringe of both Mings 

 bhick. Underside very similar to the upperside, but very nuicli 

 greyer in colour. Head, antennae, thorax, and abdomen black ; 

 legs and the underside of the abdomen dark grey. 



Expanse 1 ,'y inch. 



Hah. Ecuador, Sarayacu (BncJdey, Mtis. D.). 



A small species, allied to S. disj^yilata, Snellen. 



