EXPLANATION OF PLATP: XXXIV. 



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



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



Fig. 2.— 2n, Ceratomia amyntor, stage II, at end, enlarged. The bo<ly should be paler, more transparent. 



Fig. 3. — 3<t, Ceratomia amynlor, stage III, about to molt, enlarged. 



Fig. 4. — 4a, Ceratomia amynlor, stage V and last, natural .'iize. 



Fig. 5. — Ceratomia undulosa, stage I, much enlarged. 



Ail drawn by L. H. Joutel. 

 FiG. &.— Ceratomia amynlor, stage I, portion of surface of caudal horn, showing the glamlular setiP, and the tubercles 



giving rise to them ; some of the seta' twice as large as the others. 

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

 Fig. 66. — The two tubercles i and /(' arising from the main tubercle of the second tlioracic segment, stage I. 

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



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