SATURNIA ISIS. 



139 



of the female was published by Klug in 1836, in a 

 a pamphlet of eight pages, published at Berlin, 

 4to. He names it Saturnia ?naja, but as the 

 latter term has already been applied by Drury 

 to another species, we think it better to retain the 

 name by which it was originally designated by 

 Mr. Westwood. 



The wings measure very nearly six inches in ex- 

 panse, and are of a very pale grey colour, especially 

 the anterior pair, which are, however, almost en- 

 tirely covered with fine black and brown hairs. 

 The centre of these wings is ornamented with a 

 small oval mark, half of which, towards the body, 

 is covered with black scales, and the other half is 

 vitreous ; between this and the base is a very 

 curved and irregularly dentate fascia crossing the 

 wing, and immediately behind the eye is a nearly 

 straight slender brown bar. This is succeeded by 

 slender black wavy bars, the space between which 

 and the apex of the wing is divided as it were into 

 three compartments, the first of which is covered 

 with small brow r n patches, the second is paler and 

 covered with very fine black speckles, and the 

 apical part is much darker, with large black specks. 

 The apical margin of the fore wings is slightly 

 scolloped ; the hind wings are entirely covered on 

 the upper side by a most magnificent eye-like spot, 

 surrounded by successive rings of various colours. 

 The oval pupil is black, but the part furthest re- 

 moved from the body is denuded of scales, and 

 would be vitreous, were not the under side of the 



