EXPLANATION OF PLATE LIV. 



Fig. 1. — Citheroriia regalia, larval armature: A, stage I; B, stage II; th, thoracic horns; lab, that of the first abdominal 



segment 1; vii, that of abdominal segment 7; viii, caudal horn, horn on 9th segment; x, armature of 



tenth segment. 

 Fig. 2. — Cttheroiila rfijalis, stage III; i, ii, in, horns of each thoracic segment. 



Fig. 3. — Citherunia rcgalis, stage III, end of body, side view, including caudal horn, suranal plate, and anal leg. 

 Fig. 4. — Citheronia regalis, niage IV (next to last), armature of the thoracic segments, and of the 1st abdominal 



segment; 1st, 2d, 3d dorsal tubercles of abdominal segments 1-3. 

 Fig. b. — Citheronia regains, last stage; tubercles J, Hi, v, rii of each thoracic segment. A, dorsal tubercle of the fii'st 



abdominal segment II. 

 Fig. 6. — CHIieronia regalis, last stage, abdominal segments 8-10; .«i, lateral tubercle of abdominal plate; /, caudal horn; 



ii, median or caudal horn of 9th segment. 

 Fig. 7. — Adelocepliala sp. from Brazil, PI. Ill, fig. 1; end of body, dorsal view of suranal plate. 



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