22 LEPIDOPTERA. 



sometimes delicately scalloped at the hind margin ; thorax 

 stout and very powerful ; abdomen rather long, stout, but 

 tapering rapidly, and smoothly, to a rather blunt point. 



Larvae naked, smooth, very handsome ; horn on the twelfth 

 segment smooth and sharp, raised and curved back. 



PuPiE usually with a prominent case in front, containing 

 the tongue, otherwise smooth and rounded. 



1. S. Convolvuli, L. — Expanse, 44 to 5 inches. Large 

 and stout ; fore wings grey mottled with darker grey, hind 

 wings paler with blackish bars ; abdomen with interrupted 

 bands of black and red. 



Antennte long, whitish-grey, in the male pectinated with 

 broad blunt tufts of incurved bristles ; in the female shorter 

 and almost simple ; tipped with a sharp point which usually 

 bends back. Head grey, large and prominent, furnished with 

 a sucking-trunk or tongue of great length — fully three inches 

 — which coils up like a watch-spring between two robust palpi. 

 Thorax very stout and powerful, grey dusted with whitish, 

 whiter at the sides so as to form a pale stripe above the 

 insertion of the wings, and having, in the male, an ill-defined 

 blackish stripe on each side, just above ; at the back and 

 infringing on the first abdominal segment is a deep black 

 forked streak on each side, enclosing a bluish spot. Abdomen 

 long and stout, but tapering to a blunt point, barred on each 

 segment with deep pink and black with a narrow white 

 edging, each bar interrupted by a broad stripe of hoary grey 

 down the middle of the back. 



Fore wings very long, stout, pointed, with the costal 

 margin regularly curved in a long sweep ; hind margin 

 oblique, slightly rounded and faintly undulating; dorsal 

 margin most gracefully curved inwards to form a hollow 

 before the anal angle. Hind wings short, rounded at the 



