142 W. 8CHAU8. 



9 . Head, thorax and primaries ochreous brown ; the lines on patagiae as in 

 % . Primaries finely irrorated with black ; the lines as in %, . Two small black 

 discal points. Secondaries reddish ; a dark median transverse line. Under- 

 neath lilacine grey, irrorated with black; the inner margins yellowish ; an outer 

 line on primaries; a median line on secondaries not reaching the inner margin. 

 Expanse, "J, , 63 mm. ; J 96 mm. 



Habitat. — British Guiana. 



Othoreiie suboclireata. — ^Head and abdomen above ochreous brown. 

 Thorax dull brown. Abdomen below lilacine. Primaries dull brown, somewhat 

 darker about apex and with a faint dark line from costa before apex to middle 

 of inner margin ; a large white spot at base; a white spot on middle of inner 

 margin, and another below vein 2; a faint ochreous brown discal spot. Secondar- 

 ies brown, with dark-red hairs from base almost to outer margin ; some ochreous 

 hairs on inner margin. Underneath : primaries ochreous brown ; the apex and 

 outer margin dull lilacine brown ; a faint trace of dark outer line from vein 4 to 

 costa. Secondaries dull lilacine brown ; the inner margin broadly ochreous. Ex- 

 panse 70 mm. 



Habitat. — British Guiana. 



Adelocepliaia citriiia.^Head and thorax pale yellow; some reddish 

 hairs below head and on fore legs. Abdomen white. Primaries pale yellow ; 

 a fine darker line from apex to just beyond middle of inner margin, a faint 

 inner line; a whitish discal spot. Secondaries pale yellow, whitish at base. 

 Expanse 38 mm. 



Habitat. — Castro, Parana. 



COSSID^. 



Cossus tropicalis. — ?. Head, collar and patagise pale buff. Abdomen 

 dorsally buff, laterally blackish, underneath white. Primaries whitish grey, 

 shaded with light brown along the inner margin, and from the costal margin 

 across the median space to inner angle; some black reticulations, chiefly on outer 

 half of wing; an irregular narrow black line from the costa at four-fifths from 

 base to above the inner engle ; an indistinct buff spot at end of cell. Secondaries 

 greyish black; the outer margin narrowly buff, with a few black strife. Under- 

 neath : much suffused with black. Expanse 63 mm. 



Habitat. — Oraai, British Guiana. 



A specimen of this species is in the British Museum from Mexico. 



NOTODONTID^. 



SJystalea kayei. — Palpi fawn color, mottled with grey. Head and collar 

 fawn color. Thorax mottled grey and brown. Abdomen brown above ; basal 

 and lateral tufts creamy fawn ; underneath and also long tufts on legs cream 

 color. Primaries grey, mottled with brownish and black scales; a black trans- 

 verse spot just beyond middle of cell, followed by a transverse brown line edged 

 with black; a similar line crosses beyond the cell, and both are very indistinct 

 in the general mottling; the outer line followed by a geminate row of whitish 



