80 JOHN B. SMITH. 



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 bind angle Allipliioii. 



Abdomen elongate, flattened, rather abruptly terminated ; anal tuff fan- 

 like; primaries very narrow, pointed; antenna; very slender. 



^IIopos. 

 Alidomeu short, obtuse; broad, with brush-like lateral tufts: antenuse 



thick, in % serrate; primaries augulate and excavate Tliyrous. 



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



crest behind collar; primaries as in Thyreus Eiiyo. 



5. -Spurs of middle and hind tibise very long, unequal ; legs robust 6. 



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



<>.— 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 outer side Sphiii.x. 



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



secondaries yellow with black margin Cmitethia. 



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



Prothoi-ax more extended before the base of primaries, head larger, thorax 

 robust; anterior legs longer, weaker; jirimaries with outer margin 

 sinuate. 



Abdomen obtuse Paeliylia. 



Abdomen conic; anterior tibia and tarsi unarmed l*liilainpelii!«. 



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



outer side Deilepliila. 



Prothorax 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 



ho,rns ; outer margin of primaries not dentate Aniplioiiy.x. 



Thorax with divided crest, outer margin of primaries dentate. 



Diloplionota. 

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



C'licerocaiiipa. 

 Broader winged, less robust; head more retracted; abdomen shorter, less 



regularly conic Darapsa. 



Primaries angulated ; abdomen obtuse, head crested, strongly retracted; 



% antennfe serrate Deidaiiiia. 



8.— Primaries with outer margin scalloped, or evenly crenulated. 



Anterior tibia with a heavy claw at tip TriptogOil. 



Anterior tibia unarmed Paoiiias. 



Primaries with outer margin excavate and augulate ^(iiieriiif liiis. 



Primaries with outer margin evenly dentate: third joint of palpi un- 

 usually long ; divaricate at tip C'ressoiiia. 



Primaries with outer margin even. 

 Ajiterior tibia armed with a series of long claws; plump, robust; body 



woolly Arctoiiotus. 



Anterior tibia unai-med ; form more slender, less robust Elleina. 



