RIVULA. — HELIA. 101 



antemedial, medial, and postiucdial lines ; a small dark spot at centre of cell; another out- 

 wardly-white at lower end of it ; a white one at upper end ; a subapical large bluish-white 

 lunule, inwardly-bordered with red ; four black specks beyond it close to outer margin. Hind 

 wing drab-coloured, with subbasal and medial transverse lines. Cilia of both wings red. 

 Underside ochreous white suffused with rosy pink ; both wings with postmedial curved red 

 band : hind wins: with dark lunule at end of cell. Head and thorax red above. 



Rivula puncticilia. (Plate CXLVIII. fig. 17.) 



Expanse ^ inch. 



Male. Bright ochreous yellow. Fore wing with a small black streak above subcostal 

 nervure near the base ; a black spot at end of cell ; a series of black antecilial subjoined spots. 

 Hind wing with a dark spot at end of cell ; the outer ai-ea suffused with brown. Underside 

 with the whole fore wing suffused with brown. 



Allied to R. biatomea, but with only one black spot at end of cell of fore wing. 



Rivrda basalis. (Plate CXLVIII. fig. 3.) 



Expanse j inch. 



Male. Purplish grey suffused with brown. Fore wing with an antemedial concave pale 

 band ; the area inside which is rich dark brown, shaded oil to purple-grey at the base ; five 

 ochreous-white strigse on the costa towards apex, the one nearest apex largest ; an inwardly- 

 oblique band from below the costa near apex to inner margin, pale with dark borders, the 

 extremity near apex bent inwards. 



Helia fuscicosta. (Plate CXLVIII. fig. 15.) 



Expanse, c? §) ? I inch. 



Male and female. Ochreous brown. Fore wing : costa with smoky-black band, widening 

 towards apex ; a black subbasal line from costa to submedian nervure, with a slight outward 

 curve ; a black dot at end of cell ; a waved postmedial black line from costa to submedian 

 nervure ; traces of two difl'used waved bands beyond it ; both wings with a series of antecilial 

 black spots. Head, thorax, and abdomen sufl'used with black. 



Helis cidaroides. (Plate CXLVIII. fig. 12.) 



Expanse f inch. 



Female. Fore wing olive-green, irrorated with black scales and patches; an indistinct pale 

 subbasal band with a black line on its inner edge ; a similar antemedial band ; and a post- 

 medial one with a black line on its outer edge ; these two bands meeting at the inner margin. 



