5 
Duddingston, Manchester, Preston, Plymouth, Tooting, 
Chipping Norton, Morningside, Gwillin Vase and Nangatha 
Farm near Falmouth, Sudbury, Ipswich, Ely, Newcastle- 
on-Tyne, Black Park, Warwick, Yentnor, Maidstone, 
Brentwood, Clonmel, Lewisham, &c., &c. 
The dates of the appearance of the perfect insect are the 
months of August, September and October—Sept. 28, 30. 
The caterpillar is dull yellow, verging into green below 
and towards the head, and with seven slanting purple 
stripes, their front edge blue and the hind one white, on 
the sides; the back is minutely dotted with black; the 
tail is yellowish. Sometimes the caterpillar is brown 
olive colour, whitish in front, and the stripes darker. 
The date of the appearance of the caterpillar is from the 
middle of July to the beginning of October—July 7, 20 ; 
September 14, 19, 20, 21, 22, 27; October 2, 11. It is 
very often found in potato-fields, and frequently in con¬ 
siderable numbers, some seasons more than others. It 
sometimes remains more than a year in the chrysalis state. 
It feeds on the potato and the tea tree (Lycium bar - 
barurh), but has also been found on the woody nightshade 
(Solanum dulcamara ), elder, thorn-apple, spindle tree, 
ash, jessamine, sweet pea, and other trees and plants. 
SPHINX CONVOLVULI. 
CONVOLVULUS HAWK-MOTII; BIND-WEED HAWK-MOTH; 
UNICORN HAWK-MOTH. 
Plate II. Figure 2, 
This insect measures from three inches and three quar¬ 
ters to four and three quarters; the female is the larger. 
Male: front wings fine deep ash grey, with an indistinctly 
defined black bar widely scooped out on the inner side, and 
other paler and darker waved marks. Hind wings pale 
ash grey, with a black mark or short bar near the base, 
two black narrow central streaks which sometimes run 
