GELECHIAD2E. 565 
Formosa, Mt. Pinansyusan, August (Prof. S. Issiki ); 1 ex. Not 
in good condition, but easily recognised. 
Pachnistis silens, n. sp. 
<S 2 • 13-14 mm. Head, thorax pale fuscous. Palpi whitish- 
fuscous, irrorated fuscous. Fore wings elongate, slightly dilated, 
costa gently arched, apex obtuse-pointed, termen hardly rounded, 
rather oblique; pale fuscous, irrorated fuscous; stigmata very 
small, obscure, dark fuscous, approximated, plical somewhat beyond 
first discal: cilia light fuscous, paler beneath tornus. Hindwings 
grey ; cilia light grey. 
Formosa, Taihoku, April, July (Prof. S. Issiki) ; 2 ex. Allied 
to arens. 
Glyphidocera ptilostoma, n. sp. 
S $ • 12-13 mm. Head whitish-ochreous. Palpi ochreous- 
whitish, second joint irrorated dark fuscous except towards apex, 
terminal joint expanded posteriorly with rough scales, with basal 
and median bands of dark fuscous irroration. Antennae with 
slight subbasal notch. Thorax pale ochreous sprinkled fuscous. 
Forewings elongate, slightly dilated, costa slightly arched, termen 
somewhat oblique; 2 and 3 connate, 8 and 9 short-stalked; light 
brownish-grey sprinkled dark fuscous ; stigmata forming small very 
indistinct spots of dark fuscous irroration, plical rather obliquely 
before first discal ; cilia pale greyish-ochreous, two strong shades of 
dark fuscous irroration. Hindwings grey-whitish, faintly greyer 
towards apex; cilia grey-whitish, two grey shades. 
Argentina, Alta Gracia, February (0. Bruch ); 5 ex. Probably 
near trachyacma Meyr., which has similar palpi. 
Lecithocera semnodora Meyr. 
3 2 • 17-22 mm. Head varying from wholly dark fuscous to 
wholly orange, the orange colour appearing first in the face and 
spreading posteriorly. Palpi orange-yellow, basal portion of second 
joint more or less extensively dark fuscous. Forewings termen 
faintly sinuate or almost straight; sometimes a faint cloudy 
yellowish praetornal dot opposite the costal spot. Hindwings 3 and 
4 more usually stalked. 
Thirty-one additional specimens from the original locality, showing 
curious and unusual variation in the colour of head as above; 
February-April. 
CYNICOCHATES, n. g. 
Head with appressed scales; ocelli posterior; tongue developed. 
Antennae |, scape elongate, without pecten. Labial palpi very long, 
recurved, smooth-scaled, terminal joint as long as second, acute. 
Maxillary palpi rudimentary. Hind tibiae rough-scaled above. 
Forewings 2 from towards angle, 3 and 4 approximated from angle, 
