506 MR. H. DRTJCE ON LEPIDOPTERA FROM [June 17, 



Dalcera laxta, sp. n. 



Primaries brownish grey, crossed from the costal to the inner 

 margin with narrow waved brown lines. Secondaries dark grey, 

 palest at the base ; the underside of both wings grey, without any 

 markings. The head, thorax, and abdomen pale grey ; the antennae 

 and legs pale brown. Expanse 1| inch. 



Hah. Ecuador, Sarayacu {Bucldey, Mus. Dt-uce). 



A distinct species, allied to I), ampela, Druce. 



MiEESA, Walk. 



MiEESA (?) AM18ENA, sp. n. 



Primaries pale fawn-colour, with a large reddish-brown mark 

 close to the anal angle, and extending along the inner margin almost 

 to the base ; the dark brown is crossed by two narrow white lines, 

 and is shaded with white nearest the anal angle. Secondaries pale 

 fawn-colour, slightly dusky near the anal angle ; the fringe of both 

 wings pale brownish fawn-colour. The head, thorax, and abdomen, 

 antennae and legs pale fawn-colour ; a tuft of dark reddish-brown 

 hairs at the base of the thorax. Expanse 1| inch. 



Hah. Ecuador, Sarayacu {Bucldey, Mtis. Druce). 



A beautiful little species, very distinct from all known to me. 

 I place it in the genus Miresa with considerable doubt. 



Earn. BoMBYCiD^, 

 Peismoptera, Butl. 



Peismopteea aminula, sp. n. 



Primaries and secondaries quite hyaline ; the costal, outer, and 

 inner margins and the veins yeUow ; the base of the costal margin 

 white ; the secondaries with a small black spot on the inner margin 

 a little above the anal angle. The head greyish ; collar yellow ; 

 thorax and abdomen dark reddish brown ; antennae and legs yellow- 

 ish brown. Expanse 1 5 inch. 



Hah. South-east Brazil {Mus. Druce). 



A distinct species, allied to Prismoptera opulina, Butler. 



Caethaea, Walk. 



CaETHAEA AJIISENA, Sp. U. 



Male. Primaries dull brown, crossed by three waved darker brown 

 lines, and close to the apex an elongated reddish-brown spot. 

 Secondaries brown, with three short white streaks along the inner 

 margin. The head, thorax, and abdomen yellowish brown ; antennae 

 dark brown. The female is considerably larger and much darker 

 in colour, the primaries being much irrorated with grey scales ; the 

 secondaries are also blacker. Expanse, c? I4 inch, $ 2 inches. 



Hah. Ecuador, Sarayacu {BxiclAey, Miis. Druce). 



A very distinct species, allied to Carfhara vecca, Druce. from the 

 Volcan de Chiriqui. 



