There are some extraordinary analogies between the natural types of this genus, and the series of vertebrated animals, which we cannot at present develope. Nor can our doubts on the Sub-typical form, which we rather think has not been discovered, effect any alteration of the series here pointed out.
Pl. 101.
POLYDORUS Thoas.
POLYDORUS Thoas,
Polydorus Butterfly.
Sub-family Papilionæ. Genus Amphrisius. Sub-genus Polydorus. Sw.
Sub-Generic Character.