570 CALIFORNIA ACADEMY OF SCIENCES. 



from the foliage to the tree trunk, and form a naked 

 chrysaHd. 



Pupa (see d, plate Ivi) — Naked, suspended by cremas- 

 ter, greenish-white with yellow suffusion and black mark- 

 ings. Wing cases pearly bluish -white, with many black 

 lines of different lengths. On the dorsum of body an in- 

 terrupted median black line frequently expanding blotch- 

 like. On either side of it on abdomen, and separated 

 from it by distinct yellowish markings, an interrupted 

 broad black band extending to base of cremaster. Spira- 

 cles black, surrounded by yellow. Ventrad of the line of 

 spiracles a faint narrow longitudinal line of pinkish, and 

 on the venter two submedian bands of black composed of 

 narrow lateral blotches. Cremaster single, strong, length 

 1.5 mm. Chrysalid concave on dorsum and convex on 

 venter, length 12 mm.; width 4 mm. 



Imagines (see e, plate Ivi) — Males easily distinguished 

 from females by longer pectinations of antennge, and in- 

 distinct yellowish patch just beyond apex of discal cell of 

 fore wing. 



