1686 
CATALOGUE OF 
Page 571. 
Deiopeia Argus. 
e . North India (Sikkim, Himalaya). From Dr. Hooker’s collection. 
Genus SIDYMA. 
Mas. Corpus sat gracile. Proboscis thorace longior. Palpi 
validi, ascendentes, verticern non attingentes ; articulus 3us minu- 
tus, conicus. Antennas mediocriter pectinatae, thorace longiores. 
Abdomen alas posticas non superans. Pedes sat graciles ; tibiae 
posticas calcaribus quatuor longis. Alae latiusculae ; anticse apud 
.costam rectae, apice rotundatae, margine exteriore mediocriter 
obliquo. 
Apparently allied to the Geometrites. Male. — Body rather 
slender. Proboscis longer than the thorax. Palpi stout, ascending, 
not so high as the vertex; third joint minute, conical, about one- 
third of the length of the second. Antennae moderately pectinated, 
longer than the thorax. Abdomen extending as far as the hind 
wings. Legs rather slender ; fore tibiae with an appendage beneath ; 
hind tibiae with four long spurs. Wings rather broad. Fore wings 
straight in front, rounded at the tips, moderately oblique along the 
exterior border ; first and second inferior veins contiguous at the 
base ; third about thrice further from the fourth than from the 
second. 
1. SlDYMA ALBIFINIS. 
Mas. Pallidissime cervina ; palpi apice nigri ; prothorax , pec- 
tus, coxa femoraque basi lutea ; abdomen apice subluteum ; 
alee apice albce. 
Male. Very pale fawn-colour. Proboscis tawny. Palpi with 
black tips. Antennae with brown branches. Prothorax, pectus, 
coxae and femora towards the base luteous. Abdomen slightly 
luteous at the tip. Wings with while tips. Length of the body 7 
lines; of the wings 18 lines. 
Hindostan. In Mr. Saunders' collection. 
