390 



[June 



clothed with whitish pubescence. Abdomen elongate-ovate, petiolate. 

 smooth and polished, pointed at tip, clothed with bright yellow pube- 

 scence, rather sparse on the second segment and dense and rather lon»- 

 on the apical segments, which are tinged with yellow; the first or petiole 

 segment elongate, slender at base and dilated towards the tip ; the pu- 

 bescence on the two basal segments whitish. Length 5$ — 7 lines; ex- 

 panse of wings 8 i — 11 lines. 



Hob. — California. Baron R. Osten Sacken. (Coll. Ent. Soc. Philad. ) 

 Two specimens. This is closely allied to a species from Colorado 

 Territory, which I shall shortly describe under the name of M. concolor. 

 and which differs from this species by the darker color, by the hyaline 

 wings, and by the pubescence being more sparse and entirely whitish. 

 The pubescence of the present species is of a beautiful golden-yellow, 

 except on the metathorax, legs and base of the abdomen, where it is 

 whitish. 



Notes upon PAPILIO ASTERIAS and SATURNIA PROMETHEA 



hermaphrodites. 



BY WM. II. EDWARDS. 



(Communicated May 8, 1865.) 



The Asterias is in my collection and was captured by Mr. Julius Meyer 

 of Brooklyn, L. I., two or three years since. It is a fine instance of a 

 perfect hermaphrodite. The right wings are both male, the left wings 

 both female, distinctly marked upon both surfaces with no suffusion of 

 color. The size is that of the largest specimens of Asterias. 



The Saturn ia Promethea is in the collection of Mrs. Brid»-hani of 

 New York, and is a curious instance of an imperfect hermaphrodite. 

 The left antenna and left primary are male ; the right antenna and 

 left secondary are female ; the right primary is also female, but the 

 right secondary is something between the two, neither male nor female. 

 The color of the upper surface is nearly the same as the under surface 

 of the male. On the under side the color and markings of the left 

 primary are male, but the other three wings are female. The color 

 and markings of the male Promethea are quite different from those of 

 the female, and on this hermaphrodite the confusion of the sexes is 

 conspicuous. It is a bred specimen. The body had been viscerated, 

 so that it is impossible to determine its sex. 



