148 W. SCHAUS. 



darker brown towards median space; the inner line slightly curved on costa then 

 straight to inner margin and marked with a black spot on subcostal vein ; the 

 outer line from costa at four-fifths to inner margin at two-thirds; discal spot 

 lai-ge, dark, oblique and not very distinct. Secondaries whitish, the veins and 

 outer margin light brown. Expanse 35 mm. 



Habitat. — Oniai, British Guiana. 



Hemiceras truncata. — % . Palpi, head and collar reddish brown; a white 

 spot between antennae. Thorax ochreous brown. Patagise violaceous brown. 

 Abdomen greyish black above, roseate fawn color below. Pi'imaries with the 

 apex truncated, the outer and inner margins evenly rounded, dark glossy brown ; 

 costal margin black; a transverse streak at base ; inner line dark grey, oblique 

 from costa to snbmedian then curved, followed on inner margin by a reddish 

 brown shade outwardly edged with dark grey ; discal spot large, oblong, oblique, 

 reddish brown ; the outer line replaced by a curved row of dark points on veins 

 followed by an olivaceous brown, rather indistinct shade at veins Sand 4; a broad 

 dark shade from costa near apex to vein 5, preceded by a fine blackish streak 

 parallel to it. Secondaries dark brown, whitish in disc; a dark glandular patch 

 at vein 2 and outer margin. Expanse 50 mm. 



Habitat. — Omai, British Guiana. 



Heiniceras aiigulinea. — 9- Head and thorax brown mottled with 

 lilacine scales. Abdomen brownish above, whitish below. Primaries lilacine 

 brown, the veins irrorated with dark brown and buflf scales; a dark, wavy, basal 

 line; the inner line irregular, outwardly curved on median, inwardly angled on 

 submediau, buflf" outwardly shaded with dark brown below the median vein ; a 

 dark shade at end of cell ; outer line buflf, inwardly shaded with darker brown, 

 and strongly angled at vein 5 ; indistinct dark subterminal spot between the 

 veins. Secondaries whitish, shaded with brown on outer margin. Expanse 

 40 mm. 



Habitat. — Bolivia. 



Hapigia raatzi Mosch. 



On my revision of the Notodontidse I placed H. ribbei Druce as 

 a synonym of this species. I have now more specimens of H. 

 raatzi, and find they all liave the outer line below vein 2, inwai-dly 

 angled. I have specimens with and without the, silver spots which 

 seem of no specific value in this genus, and I must therefore put H. 

 ribbei as a synonym of H. simplex Walk. 



Hapigia directa. — Palpi, head and thorax violaceous brown ; some bufl" 

 hairs behind head. Abdomen dull brown above, reddish brown below; anal 

 hairs buflp. Primaries reddish brown ; indistinct traces of a basal and an inner 

 transverse wavy grey line; a large oblique kidney-shaped silver cell spot finely 

 edged with black, and containing some reddish brown scales; this spot inwardly 



