172 
CATALOGUE OF 
Genus 29. TETRACIS. 
Corpus robusturn. Frons non prominens. Proboscis longius- 
cula. Palpi sat validi, non longi, oblique ascenclentes ; articulus 
3us minimus. Antennae valid®, filiformes, maris subpubescentes. 
Tibiae postic® fusiformes. Tarsi spinosi. Alae amplae, integr®, 
margine exteriore angulato, fimbria brevi ; anticae acutae aut sub- 
falcatae ; posticae anguli lateribus subconcavis. 
Tetracis, Guen. Phal. i. 140. 
Body robust. Front not prominent. Proboscis rather long. 
Palpi rather stout, not long, obliquely ascending; third joint ex- 
tremely minute. Antennae stout, filiform, hardly pubescent in the 
male. Hind tibiae fusiform ; spurs moderately long ; tarsi spinose. 
Wings ample, entire; exterior border angular; fringe short. Fore 
wings acute or subfalcate. Hind wings slightly excavated on each 
side of the angle. 
North America. 
A. Alae antic® unilineatae. 
A. Alae anticae linea obscura. 
B. Alae antic® linea pallida. 
B. Al® antic® bilineat®. 
A. Al® antic® nigro lineat®. - 
B. Al® antic® pallido lineat®. 
C. Al® antic® trilineat®. - 
crocallata, Guen. 
aspilata, Guen. 
®grotata, Guen . 
Pandaria, Walk. 
truxaliata, Guen. 
1. Tetracis crocallata. 
Lcete testacea ; alee subconspersee ; anticce apice rectangulatce , 
puncto discali nigro, linea exteriore obliqua lata recta concisa 
ferrugineo-fusca , margine exteriore angulato ; posticce linea 
exteriore tenui antice obsoleta. 
Tetracis crocallata, Guen . Phal. i. 141, 224. 
a—f. Trenton Falls, New York. Presented by E. Doubleday, 
Esq. 
g. Nova Scotia. From Lieut. Redman’s collection. 
h. Orilla, West Canada. From Mr. Bush’s collection. 
