DREPANA. 219 



The two following species differ from the European groups of 



Drepana by the outline of their fore wings, which are convex in 



the middle of the exterior border. 



Walker. 



3. D. rosea Walk. C. B. M. VIII. 



Male. Pale dull rose-color. Head bright rose-color. Antennae 

 with rather short and thick-set branches. Hind tibiae with the 

 apical spurs rather long. Wings partly yellow towards the base, 

 with a yellow oblique and slightly undulating band, which in the 

 hind wings is dilated, and occupies the whole apical half of the 

 wing, with the exception of a spot in front of the exterior border. 

 Fore wings nearly straight along the costa, slightly falcate at the 

 tips ; exterior border undulating, convex in the middle, third infe- 

 rior vein thrice further from the fourth than from the second. 

 Length of the body 4 lines ; of the wings 12 lines. 



Nova Scotia. 



Walker. 



4. D. marginata Walk. C. B. M. VIII. 



Male ? Like D. rosea in the form of its wings. Yellow. Head 

 rose-color. Antenna) like those of D. rosea in structure. Legs 

 partly red, more pilose than those of D. rosea; hind tibiae with 

 very minute spurs. Wings with some slender indistinct oblique 

 and undulating pale-reddish bands. Fore wings nearly straight in 

 front, slightly falcate at the tips, undulating along the exterior 

 border, which is convex in the middle ; costa with a slight reddish 

 tinge towards the base ; exterior border with a red band, which 

 contains some black marks, and is continued to the fore part of the 

 exterior border of the hind wings ; two white discal dots ; second 

 inferior vein about twice further from the third than from the first; 

 third twice further from the fourth than from the second. Length 

 of the body 4 lines ; of the wings 12 lines. 



Walker. 



Fam. X. SATURNIDAE. 



Antennas bipectinated in the male; much longer than the 

 width of the head. Tongue often obsolete. Palpi very short. 

 Legs robust, hairy ; hind tibiae with two small apical spurs. 

 Abdomen pilose, sometimes not reaching the ends of the 



