37 
class, which I shall briefly describe, makes its 
attacks about May, or as soon as the bloom and 
leaf buds, break forth. When full grown, it is 
about an inch and a quarter long, of a light green 
colour, and very active. It is provided with a 
sort of hammock, curiously and ingeniously manu- 
factured by itself. In forming this wonderful 
habitation, it first places its silken cord on one 
side of the leaf, and itself being placed in or about 
the middle, it moves its head, and fixes its cord 
on the other side, or sometimes to the middle of 
the leaf ; that being done, it turns its head to 
the other side, and so on, backwards and for- 
wards. The motion is like that of a weaver’s 
hand in throwing his shuttle, and is performed 
so rapidly, that the spectator nright suppose that 
hooks had been previously placed to hang the 
thread to. In the course of a few hours, sevei'al 
hundred threads will be thus placed, and exhibit a 
sort of fine cobweb. In this operation it con- 
trives to draw or roll the leaf up, so that it forms 
a kind of irregular tube, in which it generally 
resides, and from which, together with young 
fruit, it derives its support. 
When disturbed, or alarmed, it will expedi- 
tiously descend to the ground by the aid of a cord, 
which appears to stretch to the length required. 
About the latter end of May, or the beginning of 
J line, it is transformed to a chrysalis, betwixt two 
or more leaves, being previously drawn together 
for its protection, Nvhere it remains about three 
