340 Mr. W. Schaus's 



the outer line between veins 3 and 4 ; the inner margin deeply- 

 excised before angle. Secondaries dull brown. 

 Expanse $ 53 m.m. 



Hah. Costa "Rica. 



Hemiceras nigrescens, sp. nov. 



Head and collar anteriorly reddish-brown ; white tufts at base of 

 antennae and on head posteriorly. Thorax and abdomen above 

 violaceous -brown, underneath testaceous. Primaries violaceous- 

 black, the base somewhat reddish ; the outer margin brown ; a dark 

 shade from the cell crossing the outer line to the brown outer margin ; 

 the lines dark reddish-brown ; the inner line oblique from costa to 

 median vein, then wavy to inner margin ; the outer line, straight, 

 lunular followed at apex by some whitish scales ; inner margin 

 deeply excised before angle. Secondaries very dark brown above, 

 testaceous below. 



Expanse $ 39 m.m.; £ 45 m.m. 



Hah. Costa Rica. 



Hemiceras sericita. 



Head and thorax violaceous-brown. Collar reddislvbrown. Some 

 white hairs at base of antennae and on vertex. Abdomen dull brown. 

 Primaries silky violaceous-brown ; basal third of costa and an inner 

 shade from costa, narrowing to a point on submedian vein, reddish- 

 brown ; a reddish-brown oblique streak at end of cell ; the outer 

 margin broadly reddish-brown, limited by a dark brown line from 

 costa, near apex, where it is preceded by some white scales, straight 

 to vein 2, then curved inwardly to excision on inner margin ; a deep 

 lobe on inner margin between base and excision. Secondaries light 

 brown, palest at the base. 



Expanse 44 m.m. 



Hal. Colombia. 



Hemiceras pallidula, Guen. Larva. 



Length 1-lg inches. Head large and prominent, yellow except 

 lower third which is black. First segment smaller than the others, 

 yellow with a conspicuous black transverse band. Body rich maroon 

 with two dorsal yellow bands which terminate on segment 11 in a 

 large subdorsal bright red tubercle ; laterally are three white lines, 

 on the lowest of which are the black stigmae ; these lines continue to 

 segment 12 ; the posterior portion of segment 11, the 12th dorsally 



