64 JOHN B. SMITH. 



Coitus 3. — Phlegethontius. 



Thorax immaculate, but the body ornamented with yellow spots. 



PhleyethonUus cluentius, hicetius, hannibal, Carolina, paphus. 



Coitus 4. — Agrii. 

 Secondaries and abdomen banded with red and black. 

 Agrius ancheiaolus, couvulvuU, ciiujulatvs. 



Coitus 5. — Lethi.e. 

 Primaries outwardly dentato-strigose ; secondaries banded. 

 Lethla, ligustri, prini, drupiferarum, kalmke, (jordius. 



Stirps v.— SMERINTHI. 

 Head small, almost concealed ; tongue sh(jrt and very weak ; palpi 

 short ; antenme bent ; wings with margins dentate ; the legs thick, 

 with concolorous vestiture. 



Familia A. — Dentati. 

 Body imnnxculate ; wings angulate, or dentate. 



Coitus 1. — Colaces. 

 Primaries with a single angle ; with shining median macula ; sec- 

 ondaries pale. 



Colax apidus. 



Coitus 2. POLYPTYCHI. 



Wings scalloped, or dentate ; with shaded bands and black stripes. 

 Polyptyckus detdatus, tomesin.%jiu//a)idis, popull, quercm. 



Familia B. — Angidati. 

 Thorax maculate ; primaries obtusely angulated, with softly shaded 

 maculation. 



Coitus 1. — Paoni.e. 

 Secondaries with an ocellus above. 



Paonias salicis, ocellata, niyops, exccecaius. 



Coitus 2. — MiMANTES. 



Palpi rather moderate ; primaries deeply excavate and obtusely 

 angulate ; with banded maculation. 

 Mimas tilice. 



