140 W. SCHAUS. 



die of discocellular ; 8 and 10 stalked with 7; 9 stalked with 8. 

 Secondaries : costal margin slightly round ; apex not rounded ; a 

 greater space between veins 2 and 3, than between 3 and 4, and 4 

 and 5 ; 6 nearer 5 than 7 ; 7 from upper angle of cell ; 8 bifurcating 

 just before end of cell. 



Tlioscora briigea. — Head and abdomen oclireous. Antennae, thorax and 

 anal tuft greyish brown. Primaries similar, the veins darker. Secondaries 

 more greyish. Expanse 40 mm. 



Habitat. — Aroa, Venezuela. 



LIPARIDJ^. 

 TROCHUD.4 gen nov. 

 Legs hairy. Palpi hairy, reaching frons. Antennse deeply pec- 

 tinated to tips. Primaries broad ; the outer margin convex towards 

 apex; outer margin nearly straight. Veins 2, 3, 4 equally distant; 

 5 from close to 4 ; 6 from upper angle of cell ; 7 also from upper 

 angle ; 8 and 9 stalked together on 7 ; 10 also from 7. Secondaries : 

 costal margin straight; outer margin rounded; 3, 4, 5 from lower 

 angle of cell ; 6 and 7 from upper angle of cell ; 8 diverging fi'om 7 

 before middle of cell. 



Ti'ucliiifla. bilinea. — Frons and antennae pale brown. Thorax dark 

 grey. Abdomen fawn color. Wings white. Primaries: the veins grey, two 

 transverse grey bands, the inner one from middle of costa to inner margin near 

 base, the outer line from costa near apex to middle of inner margin ; fringe grey. 

 Secondaries with the veins slightly greyish. Expanse 37 mm. 



Habitat. — Omai, British Guiana. 



LASIOCAMPID.E. 



SPHIKTA gen. nov. 



Antennse pectinated to tips. Legs hairy. Wings long and nar- 

 row. Primaries : costal margin straight, outer margin obliquely 

 rounded ; veins 4 and 5 from lower angle of cell ; 6, 7, 8 stalked 

 from upper angle of cell ; 9 and 10 stalked from just before upper 

 angle of cell ; 11 from middle of cell. Secondaries: convex at base, 

 then straight ; cell short anteriorly, then oblique and longer poste 

 riorly ; veins 3, 4, 5 close together at lower angle ; 6 from upper 

 angle; 7 and 8 anostomosing near base, then diverging immediately. 



Sphinta COSSoides.^Body dark grey, mottled with brown hairs. Pri- 

 maries: the costal margin dark grey; the base and inner margin brownish grey; 



