EXPLANATION OF PLATE LX. 



Fig. 1. — Fades imperialis, $ , ventral view of end of abdomen; p, penis. 



Fig. \ii. — Eades imperial^, $ , lateral view of the same; I, cl, clasper. 



Fig. Vj. — Eaclcs imperialif!, $ , end of abdomen, a portion removed; s, .xuranal plate. 



Fig. If. — Eades imperialis, $ , the same, seen from beneath, claspers fully exposed. 



Fig. 2. — atheroma regalis, $, side view of genital armature; d, clasper; /i, harpe; p, penis. 



Fig. la. — CitJieronia regalis, $ , the same; /(, harpe; p, penis and its sheath: s, s, suranal plate. 



Fig. 2h. — Citheronia regalis, $ , p, penis, showing the gutter at the end. 



Fig. 2c. — Citheronia regalis, $, suranal plate; s, basal portion. 



Fig. 3. — Citheronia sepulcrulis, $ . 



Fig. 3a. — Citheronia sepulcralis, $ , genital armature, tergal view, genital armature, side view; h, harpe; d, clasper. 



Fig. 3i. — Citheronia sepulcralis, $ , the same, seen from beneath: h, harpe; d, clasper. 



Fig. 4. — Cressonia juglandis, $ , genital armature, from above. 



Fig. 4«. — Cressonia juglandis, S • genital armature, from beneath, lettering as before. 



Fig. 4b. -^Cressonia jugUmdis, ^ , genital armature; A, suranal plate and terminal hook. 



Fig. 4c. — B, harpes, base and extremity. 



Fig. 4d. — Cressonia juglandis, $ , genital armature; C, side view of suranal hook (s); //, harpe. 



Fig. 4e. — Cressonia juglandis, $ , genital armature; D, penis {p); p', its base. 



Fig. 4/. — Cressonia juglandis, ,?, genital armature; suranal hook; penis and harpe (p). 



Fig. ig. — Cressonia juglandis, $ , the same, another siile view. 



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