290 ^^r.. n. deuce o>- xew [Mar. 28, 



Detaea chepta, sp. n. (Plate XIX. fig. 10.) 



Male. Primaries deep black, with a small white streak extending 

 from the base, about halfway across the wing. tSecoudai'ies white, 

 very broadly bordered with black from the apex to the anal angle ; 

 the fringes of both wings black. Head, antennae, and palpi black ; 

 collar wliite ; abdomen black, spotted with white on each side ; 

 legs greyish black. 



Expanse Ih inch. 



Hah. Bolivia (Mus. D.). 



Allied to D. cJiarisia, Druce, and D. suhserice<(, I'eld., but differs 

 greatly from either of them. 



Xelo, Walk. 

 Nelo toxiceata, sp. n. (Plate XIX. figs. 11, 12.) 



Male. Upperside similar to X. pTilJodamm, Druce, but rather 

 brighter in colour; on the underside it differs from that species in 

 having a large orange-yellow spot on the primaries, beyond the 

 middle ; in all other respects the two species are almost iden- 

 tical. 



Expanse 1| inch. 



Hah. Peru {Mv.s. D.). 



Fam. D I o p T I D .E. 

 Laueo>', Walk. 

 Laeeox choma, sp. n. 



Female. Primaries black, hyaline from the base to about the 

 middle ; the costal margin yellowish at the base ; the inner margin 

 orange-yellow from the base to the anal angle ; and two spots on 

 the outer margin orange-yellow, joining a narrow white band that 

 crosses the \\-ing from the costal to the outer margin. Secondaries 

 hyaline ; the vems all black ; the apex bordered with black ; the 

 outer margin broadly banded with orange-yellow. The fringes of 

 both wings greyish black ; the underside similar to the upperside, 

 but without the orange-yellow on the inner margin of the primaries. 

 Head, palpi, and antenuce black ; thorax orange-yellow ; abdomen 

 brownish black, with a bluish-white line down the middle ; the 

 underside greyish white ; the legs black. 



Expanse If inch. 



Hah. Ecuador, Intaj (BvcTcley., Mus. D.). 



A distinct species, not closely allied to any known to me. 



Latjeox osiba, sp. n. (Plate XIX. fig. 13.) 



Male. Primaries black ; a wide streak extending from the base 

 to beyond the middle, whitish hyaline ; the costal streaked with 

 orange-yell o\\" from the base nearly to the apex ; part of the inner 

 margin and the anal angle boi'dered A\ith orange-yellow; a 

 narrow white band crosses the \ving near the apex, but does not 

 touch either margin. Secondaries whitish hyaline ; the apex and 



