Pair of Lithographs Published by Wyman & Son Limited

Pair of Lithographs Published by Wyman & Son Limited
depicting butterflies.
One lithograph is marked Samia Cecropia do, do larva and Plate CXVI on the top.
The other one is marked Troides Priamus Ornuthoptera remus and Plate LXIV . Both lithographs are marked Wyman & Son Limited .
The size of the lithographs is in the opening is 12 by 16 inches.
The size of the frame is about 16 3/4 by 20 3/4 inches.