100 
CATALOGUE OF 
3. Thyreus Gaur^;. 
Testaceo'olivaceus ; alee anlicce olivacece , strigis duabus albidis 
puncto disci deltoideo ; posticce rufee striga pallida , exterius 
nigree margine albo. 
Sphinx Gaurae, Abbot Smith , Nat. Hist . Lep. Ins. Georg . i. 61, 
pi. 31. 
Proserpinus Gaurae, H'ubn. Verz. Schmett. 132, 1414. 
4. Thyreus? inscriptits. 
Cinereus ; protliorax fusco marginatus ; abdomen e guttis nigris 
hivittalum j alee anticce j 'asciis duabus obscurzs linea nigri- 
cante connexis , lineis nonnullis exterioribus transversis undu- 
latis aut angulosis , margine exteriore obscuro , macula fusca 
apicali semiovata , plagaque parva nigro-fusca subapicali albo 
signata ; posticce rufo-cinerece , margine postico obscuro. 
Pterogon ? inscriptum, Harris , Amer. Journ. Sci . xxxvi. 306. 
Ash-gray. Prothorax edged with brown. Abdomen with two 
dorsal series of black dots. Wings angularly indented. Fore 
wings with two dusky bands near the base, connected on the inner 
margin by a blackish line, a few undulated and zigzag transverse 
lines beyond the middle, a dusky outer margin, a half oval brown 
spot at the tip, and a small deep brown patch, including a whiie 
one near the tip. Hind wings reddish gray, with a dusky hind 
margin. 
Indiana. 
Genus 5. PERIGONIA. 
Corpus latum, subfusiforme. Caput obtusum. Proboscis bre- 
viuscula. Palpi brevissimi, validissimi. Antennae setaceae, graciles, 
thorace paullo longiores. Abdomen thorace multo longius. Pedes 
sat graciles ; tibiae posticae calcaribus quatuor mediocriter longis. 
Alae mediocriter latae ; anlicae subacuminatae, margine exteriore 
biangulato sat obliquo ; posticae apud marginem exteriorem subden- 
ticulatae. Mas. — Antennae subserrato-setosas. Fcem. — Antennae 
simplices. 
Sphinx, Fabr.; Gmel. 
Perigonia, Boisd . 
