174 
catalogue of 
angular. Fore wings subfalcate, with an interior slender slightly 
and irregularly curved line ; exterior line straight. Hind wings 
with the exterior Hue slightly curved. Length of the body 7 lines ; 
of the wings 20 lines. 
a. North America. From Mr. Dyson’s collection. 
South America. 
6. Tetbacis communata. 
Mas. Paltidissime ochraceo-jlava ; alee subconspersce , puncto dis- 
cali nigro distincto , line a exteriore fusca ; anticce linea ex - 
teriore lata bene determinata ; posticce linea exteriore tenui 
pallidiore postice obsoleta. 
Tetracis communata, Guen. Phal. i. J41, 223. 
Brazil. 
Australia. 
7. Tetbacis Cachexiata. 
Fcem. Sulphur eo-alb a ; alee anticce linea exteriore recta obliqua 
tenui obscuriore apice obsoleta , puncto discali supra obsoleta 
subtus vix conspicuo , margins exteriore angulato ; posticce 
margine exteriore vix angulato . 
Tetracis Cachexiata, Guen . Phal. i. 140, 227. 
Australia. 
Genus 30. ONYCODES. 
Corpus vix robustum. Proboscis valida. Palpi brevissimi, 
gracillimi, disjuncti. Thorax angustus. Tibiae non incrassatae ; 
calcaria brevia, spinis terminata. Alae amplae, rude strigatae, lineis 
nullis distinctis, fimbria brevi ; anticae subfalcatae, costa subconcava, 
angnlo interiore rotundato ; posticae trigonae, margine exteriore 
valde rotundato. Mas. — Antennae longae, pectinatae, ramis longis 
contiguis decumbentibus. Fcem. — Antennae dentibus pubescenti- 
bus. Abdomen postice tumidum. 
Onycodes, Guen. Phal . i. 142. 
Body hardly stout. Proboscis robust. Palpi very short, very 
slender, apart from each other. Thorax narrow. Tibiae not in- 
crassated ; spurs short, terminated by a spine. Wings ample, 
