NOVITATES ZOOLOGICAE XXIV. 1917. '239 



in median fold and various streaks and smears of darker and paler olive-bufiP on 

 disc ; an indistinct zigzag postdiscal brownish line and in the chocolate border 

 along termen are two pinkish submarginal hair-lines and a broader buff line 



along inner side of terminal portion of chocolate border.- Hindwing sooty 



black-brown ; basal two-thirds of costal, one-third of wing and abdominal area 

 suffused with olive-buff ; two pinkish lines at tornus. 



Length of forewing : 25 mm. Expanse : 56 mm. 



Habitat. St. Jean de Maroni, French Guiana. 



26. Drugera pallidiflava spec. nov. 



?. Antennae pale brown ; head and thorax rusty buff mixed with grey 

 and brown hairs ; abdomen yellowish wood-grey, an orange patch on second 

 segment. 



Forewing shining buii ; base olive-brown, an oblique rather indistinct 

 antemedian olive-rufous band and curved concave broad postmedian similar 

 band ; three anteapical rufous-chocolate spots on costa, which is washed with 

 rusty rufous ; a rufous interrupted antemarginal line, outer margin strongly 

 convex. Hindwing buS suffused with mauve or purplii^h brown. 



Length of forewing : 22 mm. Expanse : 49 mm. 



Habitat. La Oroya, Rio Inambari, South-east Peru, January 1906, 3,100 ft. 

 (G. Ockenden). 



27. Drugeia muscosa spec. nov. 



(J. Antennae amber-brown serrated deeply on one side, one-fourth from 

 base is a large comblike structure consisting of prolonged and widened teeth, 

 first joint very long, rest of antennae attached to first joint by a flat tongue on 

 underside only ; head and thorax dark chocolate-brown washed with olive- 

 green ; abdomen cinnamon chocolate-brown. 



Forewing blackish moss-green, with subbasal, antemedian, median, three 

 postmedian, and submarginal irregular lines of lighter and darker coalescent 



half-moons, the submarginal row is greyish white inside. Hindwings cinnamon 



chocolate-brown . 



Length of forewing : 27-29 mm. Expanse: 61-65 mm. 



Habitat. Maraval, Trinidad, July 1891 (type) ; Calama, Rio Madeii'a 

 (W. Hoffmanns). 



28. Psilacron sericeus spec. nov. 



cj. Antennae strongly pectinated, decreasing regularly to the apex, rufous, 

 shaft buff ; head and thorax very shaggy, cinnamon-chocolate much mixed 

 with buff and greenish hairs ; abdomen chocolate-cinnamon, anal tuft buff. 



Forewing bright buff clouded with greyish and cinnamon, giving it a greenish 

 olivaceous tinge ; costal area chocolate-cinnamon much shaded with buff, a 

 basal chocolate line, a double antemedian band, upper half thick and chocolate, 

 lower half thin and grey ; a somewliat ill-defined and hazy large wedge-shaped 

 patch of chocolate suffused with buff occupies the costal three-fifths of disc of 

 wing, within which is a large double buff stigma ; the forewing has a strong 

 satiny lustre and is very thickly scaled. Hindwing chocolate-cinnamon. 



