PLATE LI. 



Fig. 1. — Samia glovcri (Strecker). 9 ■ Fore wing with no III,; carefully reexamined. No traces of discal veins. 

 Fig. 2 — Samia Columbia Smith. ?. Fore wing with II and III close together. No III 2 . III 3 partly obsolete. 



Hind wing with doubtful vestige of vein VI. 

 Fig. 3.— Samia cecropia (Linne). 9 . In anterior wing, origin of lib, is much nearer base of wing than III 6 , while 



in Columbia and gloveri it is beyond origin of III,,. No 11I 2 . Antenna of same $ was deformed. 

 Fig. 4. — Samia cecropia. 3 . Detail of end of anterior wing. 

 Fig. 5. — Samia califoniica (Grote). 9 . 

 Fig . (i. — Mctosamia godmani Druce. o* . 

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