EXPLANATION OF PLATE XVI. 



Fic. 1. — I^arva of Citheronia phoronea, natural size. 

 Fig. 2. — Larva of Citheronia laocoon (ixion) natural size. 



Fig. 3. — Larva of "Cithfroniaregalis," natural size, 3.\, heail in front; .3B, «, inandible outer side; h, inner side; 

 Fig. 4. — Larva of Syssphinx moUna, natural size. 



Fig. .5. — Larva of Dirphia conmdaris; 5«, body seen from end; 5h, a spine enlarged. 

 Fig. 6.— Pupa of the same, natural size; 6A, head of the same, from beneath. 

 A copy from Burmeister's Atlas, of Plate XIX. 



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