i3!8 



CATALOGUE OF 



Female. Ochraceous. Body beneath and legs silvery white. 

 Palpi smooth, slender, curved, obliquely ascending, with two white 

 bands, not rising so high as the vertex ; third joint lanceolate, not 

 more than half the length of the second. Maxillary palpi very short. 

 Antennae rather stout. Abdomen extending rather beyond the hind 

 wings, with a white stripe and with two lateral brown stripes. Legs 

 slender; tarsi with brown bands ; fore femora and fore tibiae brown. 

 Fore wings acute, subfalcate, with three irregular oblique incomplete 

 silvery white bands, which are irregularly interlined with black ; 

 third band much abbreviated towards the costa and having in front 

 of it two white points; an exterior curved white streak, which joins 

 the costa and includes a curved black line; a submarginal row of 

 silvery white dots, which vary in size and are partly connected with 

 each other and are bounded on the outer side by an undulating 

 black line; fringe whitish, with four blackish intervals; exterior 

 border moderately oblique. Hind wings white, slightly tinged with 

 pale ochraceous; three fawn-coloured zigzag lines, of which the 

 second and third are marked with black; a narrow fawn-coloured 

 marginal band, which is blackish bordered on the inner side. Length 

 of the body 3 lines ; of the wings 7 lines. 



a. Australia. From Mr. Darnel's collection. 



ISOPTERYX? CANESCENS. 



Mas. Cana ; palpi graciles, subarcuati, oblique ascendentes, ver- 

 ticem non superantes, articulo 3o lineari 2i dimidio longiore ; 

 abdomen alas posticas dimidio super am ; alee anticce longce, 

 angustce, acuta, lineis tribus perobliquis indeterminatis e punctis 

 nonnullis fuscis ; poslicce fusco conspersce, fascia antemedia 

 e lineis tribus niyricantibus, fasciis duabus exteriori bus fuscis 

 diffusis, 



Male. Hoary. Palpi slender, slightly curved, obliquely 

 ascending, not rising higher than the vertex; third joint linear, 

 more than half the length of the second. Abdomen extending for 

 half its length beyond the hind wings ; apical appendages rather 

 large. Legs slender. Wings long, narrow. Fore wings acute, with 

 a few brown points, which indicate three very oblique lines; of these 

 the first and the third are very indeterminate. Hind wings brown- 

 speckled, with a blackish oblique antemedial band composed of 

 three lines and with two exterior oblique diffuse brown bands. 

 Length of the body 1^ line ; of the wings 4 lines. 



<a. Moreton Bay. From Mr. Diggles' collection. 



