1782. NORFOLK. 331 



fide of the leaf; and, on examining the edge, 124. 

 attentively, found a number of nidufes ; from TENTHREDO 

 three or four of which the animals had obvi- THETURNEP 

 oufly efcaped ; they being empty, with a hole 

 on their under-fide, proportioned to the fize 

 of the young animal j and looking diligently 

 on the under-furface of the other leaves, I 

 found four more infant caterpillars, 



Jn the afternoon, I difcovercd a fixth cater- 

 pillar, which, I apprehend, had efcaped in 

 the courfe of the day. The flies, I find, were 

 put upon the leaves the twenty-firfl of Auguft, 

 and it is probable that fome of the young cater- 

 pillars were perfected, and left their nidufes, ycf- 

 terday; fo that they remained ten days in the 

 egg-flate. 



Their form is that of the full-grown cater- 

 pillars : their fize, one-tenth of an inch iqi 

 length : their thicknefs in proportion : their 

 colour, a dirty white ; except the head, which 

 is of a jetty fhining black. 



They begin to feed on the undcr-furface of 

 the leaf, as foon, I apprehend, as they elcape 

 from their confinement ; and fome of them 

 were, this afternoon, ftout enough to accom- 

 pli fh a perforation. 



Being femi-tranfparent, their food may be 

 plainly fcen paffing through their bodies ; their 



vifcera 



