-37- 



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



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; antennae very slender Aellopos. 



Abdomen short, obtuse, broad, with brush like lateral tufts; antennae 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 hi Thyreus Enyo. 



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



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



6— Prothorax 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 ouier 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- 



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

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



Abdomen obtuse Pachylia. 



Abdomen conic; anterior tibia and tarsi unarmed Philampelus. 



Abdomen conic; shorter; anterior tibia and tarsi with claw like spines at outer 



side Deilephila. 



Piothorax still further produced before base of primaries; head large; eyes very 

 prominent; abdomen long and rather slender; 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. 



Primaries angulated, abdomen obtuse, head crested, strongly letracted; ^ an- 

 tenna; serrate Deidamia. 



8 -Primaries with outer margin scolloped or evenly crenulaled. 



Anterior tibia with a heavy claw at t.p . . Triptogon. 



Anterior tibia 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 Ellema. 



(To be continued.) 



