( 409 ) 



Underside : Primary orange yellow with a black costa, a black spot at tlie 

 end of the cell, from which the rest of the wing ia black to the apex, and in a cnrve 

 to the tornus. Secondary black with an orange-yellow medial patch. 



Expanse : 42 mm. 



Had. Mount Kebea. 



The type is in my collection, a few specimens being taken in March and April. 



106. Imaus niveus spec. nov. 



(?. Head, tliorax, abdomen, and legs white; palpi white, brownish laterally. 

 Both wings spotless white, primaries with raised scales over a considerable portion 

 of the wings. 



Expanse : 62 — 64 mm. 



J/ali. Ekeikei and Mount Kebea, March and April. 



The type is in my collection. 



107. Imaus spodea spec. nov. (PI. VI. f. 1). 



c?. Head and thorax white, the latter tinged with grey ; abdomen blackish, 

 with white anal tuft; palpi black laterally fringed with white. 



Primary white suffused with grey in the costal area, with five raised transverse 

 lines slightly greyish ; termen dotted with black ; costa with five grey spots, from 

 which the raised lines have their origin. There is a sparse fine grey irroration in 

 the terminal and inner-marginal areas. Secondary grey with white fringes. 



¥ . Browner than the ?tiale, with the lines less apparent. 



Bab. Dinawa, August ; Ekeikei and Mount Kebea, March and April ; Aroa 

 River (Tring Museum). 



The type is in my collection. A few specimens were taken. 



108. Imaus aroa spec. nov. 



? . Palpi white, brown laterally on the outside ; head, thorax, and abdomen 

 whitish. Both wings whitish. 



Primary with a trace of a basal, an antemedial and a medial dark line, the 

 postmedial and subterminal lines strongly scalloped and almost confluent in a 

 single dark line between veins 1 and 2 just before the tornus ; apical portion of the 

 costa and the whole of the termen spotted with black. In the cell beyond the 

 middle is an ovate spot and another larger spot closing the cell. Secondary with 

 a trace of some black points between veins 2 and .5, with the termen in the 

 same area spotted with black. 



Expanse : 98 mm. 



Eab. Aroa River, January. 



The type is in the Tring Musenm, and is unique. I think that further material 

 may prove this to be the female of one of the two preceding species ; there are, on 

 the other hand, points of difi"erence that make me doubtful, so I have described it. 



109. Imaus pratti spec. nov. (PI. IV. f. 1.5. i PL VI. f. 12. ?). 

 (J. Head, thorax, and abdomen ochreous brown. Primary ochreous grey, with 

 an a utemedial and a postmedial darker grey Hue, a dark dot at the end of cell 



