LEPIDOPTERA HETEROCERA. 
1687 
Genus CADYANDA. 
Mas . Corpus gracile. Proboscis mediocriter longa. Palpi 
breves, graciles, lanceolati, ascendentes ; articulus 3us minutus, 
acuminatus. Antennae subpectinatae, corporis dimidio multo lon- 
giores. Pedes graciles ; tibiae posticae calcaribus quatuor mediocri- 
ter longis. Alae latae ; anticae apud costam rectae, apice subacumi- 
natae, margine exteriore mediocriter obliquo. 
Apparently related to the Geometrites. Male. — Body slender. 
Proboscis moderately long. Palpi short, slender, lanceolate, as- 
cending ; third joint minute, acuminated. Antennae minutely pec- 
tinated, very much more than half the length of the body. Abdo- 
men not extending so far as the hind wings. Legs slender ; hind 
tibiae with four moderately long spurs. Wings broad. Fore wings 
straight in front, slightly acuminated at the tips, moderately oblique 
along the exterior border ; second inferior vein full six times further 
from the third than from the first. 
Cadyanda lugens. 
Mas. Nigricans ; caput supra luteum , antice testaceum ; abdomen 
guttis lateralibus albis , apice luteum ; pedes fusci ; alee macu - 
Us discalibus fasciaque exteriore guttulari obliqua albidis. 
Male. Blackish. Head luteous above, testaceous in front. 
Proboscis testaceous. Abdomen with a row of w'hite dots on each 
side ; tip luteous. Legs brown. Wings with some whitish discal 
spots, and with an oblique exterior band of w'hitish dots, which are 
most distinct in the hind wings. Length of the body 7 lines ; of 
the wings 19 lines. 
— ? In Mr. Saunders’ collection. 
Page 572. 
Castulo plagiata. 
i,j. Van Dieman’s Land. Presented by Morton Allport, Esq. 
k. Van Dieman’s Land. From Mr. A. J. Smith’s collection. 
Page 581. 
Genus SIOSTA. 
Antennas serratae. Alae anticae excisuris duabus apud margi- 
nem exteriorem. 
