-87- 



3 — Abdomen tufted at tip, and usually also at sides 4 



Abdomen not tufted at tip or sides 5 



4 — Body short, plump; abdomen pointed at tip; primaries excavated below apex 



and again before hind angle Amphion. 



Abdomen elongate, flattened, rather abruptly terminated; anal tuft fan like; 



primaries very narrow, pointed; antennce very slender Aellopos. 



Abdomen short, obtuse, broad, with brush like lateral tufts; aniennce thick, in 



(^ serrate; primaries angulate and excavate Thyreus. 



Abdomen conic, with a fan like tuft at tip; thorax with a distinct sharp crest 



behind collar, primaries as in Thyreus Enyo. 



5 — Spurs of middle and hind tibite very long, unequal, legs robust Q 



Spurs of middle and hind tibiie short, weak, more equal; legs weak 7 



6— Proihorax not much extended before base of primaries; fore legs short and stout. 

 Abdomen conic, pointed, fore tibia and tarsi usually armed with spines or claws 



at ouicr side Sphinx. 



Abdomen conic, pointed, head much broader, eyes larger; size very small; 



secondaries yellow with black margin Cautethia. 



Abdomen obtuse at tip, head retracted, wings wider Ceratomia. 



Prothorax more extended before the base of primaries, head larger, thorax robust; 

 anterior legs longer, weaker; primaries with outer margin sinuate. 



Abdomen obtuse Pachylia. 



Abdomen conic; anterior tibia and tarsi unarmed Philampelus, 



Abdomen conic; shorter; /a^igrior tibia and tarsi with claw like spines at outer 



bide Deilephila. 



Piothorax still further produced before ba^e of primaries; head large; eyes very 

 promineni; abdomen long and rather ^lender; thorax narrower. 

 Thorax untufted; third joint of palpi projecting forward like short horns; outer 



margin of primaries not dentate Amphonyx. 



Thorax with divided crest, outer margin of primaries dentate Dilphonota, 



7 — Wings very narrow, small, abdomen long, conic, very smoothly clothed 



Chcerocampa. 

 Broader winged, less robust, head more retracted, abdomen shorter, less regu- 

 larly conic Darapsa. 



Primal ies angulaied, abdomen obtuse, head crested, strongly retracted; (^ an- 

 tenna; serrate Deidamia. 



8 —Primaries with outer margin scolloped ur evenly crenulated. 



Anterior tibia with a heavy claw at tip Triptogon. 



Anterior libia unarmed Paonias. 



Primaries with outer margin excavate and angulate Smerinthus. 



Primaries with outer margin evenly dentate; 3rd joint of palpi unusually long; 



divaricate at tip Cressonia. 



Primaries with outer margin even. 



Anterior libia armed with a series of long claws; plump, robust, body woolly 



Arctonotus. 

 Anterior tibia unarmed; form more slender, less robust EUema. 



(To be continued.) 



