PLATE XXXI. 



Fig. 1. — Adult Melittia s7iowi p (alar expanse, 23 mm.). 

 Fig. 2. — Mature larva of Melittia snowi (length, 26 mm.). 

 Fig. 3. — Cocoon of Melittia snowi (length, 17 mm.). 

 Fig. 4. — Egg of Melittia snowi (length, about .8 mm.). 

 Fig. 5. — Pupal shell of Melittia snorvi (length, 18 mm.). 

 Fig. 6. — Pupal shell of Melittia gtoriosa o (length, 47 mm.). 



