EXPLANATION OF PLATE XXXIV. 



Fig. 1. — Ceratomia amyntor, middle of stage I, much enlarged. 



Fig. la. — Ceratomia amyntor, end of stage I, enlarged. The body should be paler, more transparent. 



Fig. 2. — 2a, Ceratomia amyntor, stage II, at end, enlarged. The body should be paler, more transparent. 



Fig. ,3. — 3a, Ceratomia amyntor, stage III, about to niolt, enlarged. 



Fig. 4. — la, Ceratomia amyntor, stage V and last, natural size. 



Fig. r>.— Ceratomia undulona, stage I, much enlarged. 



Aii drawn by L. H. Joutel. 

 Fig. 6. — Ceratomia amyntor, stage I, portion of surface of caudal horn, showing the glandular set;e, and the tubercle.s 



giving rise to them; some of the set« twice as large as the others. 

 Fig. 6a. — One lobe of caudal horn, stage I, armed with glandular setie and showing the large bulbous terminal seta. 

 Fig. till. — The two tubercles i and ii arising from the main tubercle of the second thoracic segment, stage I. 

 Fig. 6c. — The same on the third thoracic segment. Author, del. 



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