172 CATALOGUE OF 



Genus 29. TETRACIS. 



Corpus robustum. Frons non prominens. Proboscis longius- 

 cula. Palpi sat validi, non longi, oblique ascendentes ; articulus 

 3us minimus. Antennae validae, filiformes, maris subpubescentes. 

 Tibiae posticae fusiformes. Tarsi spinosi. Alae amplae, integrae, 

 margine exteriore angulato, fimbria brevi ; antieae 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 antieae unilineatae. 



A. Alae antieae linea obscura. : crocallata, Guen, 



JB. Alae antieae linea pallida. - aspilata, Guen. 



B. Alae antieae bilineatae. 



A. Alae antieae nigro lineatae. - aegrotata, Guen. 



B. Alae antieae pallido lineatae. - Pandaria, Walk. 



C. Alae antieae trilineatae. - truxaliata, Guen. 



1. Tetracis crocallata. 



Lcete testacea ; alee subconspersce ; anticce apice rectangulatce, 

 puncto discali nigro, linea exteriore obligua lata recta concisa 

 ferrugineo-fusca, margine exteriore angulato ; postica 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. Bedman's collection. 

 h. Orilla, West Canada. From Mr. Bush's collection. 



