EXPLANATION OF PLATE LV. 



Fig. 1. — Cithcrortla Kplendens, head and four trunk segments. 



Fi(i. la. — Citheronki .iplendcnx, next to last stage, the last three segments of the body, showing the caudal horn, 



suranal plate, and anal legs. 

 Fig. Vj. — Citheronid splnidi'iis, the same from above. 

 Fig. 2. — Cilltfronid lancoon; i, ii, iii, armature of the thoracic segments; Ai. i>l the 1st abdominal segment; .1 (■()'/, 



caudal horn A and tubercle ii. 

 Fig. 2a.—Citheronia laocoon, suranal plate, from above. 



Fig. 3. — atheroma phoron<:a? (Mondez, Brazil); thoracic horns, and '■. caudal hnrn. 

 Fig. 4. — Citheronia sepulcratis, head and first' six trunk segments, last stage. 

 Fig. 4a. — Citheronia sepnlcra !!.■', end of body, last stage, side view. 

 Fig. 4h. — Citheronia Ki'pulcrali.i, the same seen from above; //, tubercle i( of 8th abdominal segment. 



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