416 On new Species of Indo-Malayan LepUioptera. 



orange-oclireous ; abdomen with black segmental bands; 

 le<i;s oiange-ochreous striped with black. 

 Kxpanse of wings 2 inches. 

 Ilab. Floras Isl. 



Family Orthostixidae. 

 Alex nia.sica, nov. 



? . Frons and palpi black, the inner side of the first two 

 joints of the palpi white ; ground-colour of the head, body, 

 and wings greyish ochreous ; head and collar bhvckish 

 through thickly covered irrorations ; both wings uniformly 

 covered with short brown striations : fore wing with a pale 

 brown mark at the upper end of the cell, both wings with 

 indistinct traces of outwardly curved, pale brown, thin bands, 

 antemedial and discal ; a thin, margintil, pale brown line and 

 ochreous cilia with grey ti])s. Underside as above, but the 

 striations and transverse lines thicker and more prominent. 



Ex})anse of wings 2 inches. 



Uab. Nias. 



Quitedistinctfromany other species of thisgenusknown tome. 



Family Geometridae. 

 Pingasa talac/i, nov. 



(J . Frons, head, body, and wings greyish white, strongly 

 tinged with ochreous irrorations ; palpi with the third joint 

 black, elongate as in P. aravensis, Prout * ; wings with the 

 markings pale grey : fore wing with a sinuous blackish 

 thick line closing the cell; a nearly straight short line 

 beyond it from the middle of interspace 3 to near the costa, 

 an indistinct outwardly curved subbasal line; a more distinct 

 and thicker postdiscsil line, more or less distinctly macular; 

 a submarginal row of indistinct spots pricked with white on 

 their inner sides, and minute dots on the outer margin; hind 

 wing with a line closing the cell ; the two outer marginal 

 bands diffuse and more or less conjoined together and with 

 the outer margin, the white inner marks on the very indistinct 

 submarginal spots more prominent than they are on the 

 lore wing. Underside : wings paler and without irrorations ; 

 fore wing with a wtry large black spot at the end of the cell 

 and a laige black upper discal patch attenuated hindwards ; 

 three white dots outside the upper part of the black patch ; 

 hind wing witii a thick black lunular mark at the end of the 

 cell, and a large black upper discal patch as on the tore wing, 

 but without the white dots. 



Expanse of wings I^q inch. 



Hab. Tulagi, a small island off Ysabel Ishuid in the 

 Solomon group {Evertti). 



♦ Nov. Zool. xxiii. p. 7 (1916). 



