TRANSACTIONS OF MICROSCOPICAL SOCIETY. 
DESCRIPTION OF PLATE Y, 
Illustrating Richard Beck's paper on the Metamorphosis of. 
a Coccus found upon Oranges. 
Fig. 
1. — remale. 
2. — Egg taken from one of the above. 
3. — Young Coccus shortly after breaking from the egg. 
4. — Male insect at tlie earliest period at which any traces of sexual charac- 
ters can be distinguished. 
5. — A male insect further advanced. 
6. — „ „ mature. 
7. — Shell of a male Coccus, with indications of its formation at three dis- 
tinct periods, — the larval covering, the pupal covering, with a 
subsequent addition for the protection of the wings of the imago. 
8. — Mature female removed from the shell. 
In all the figures where letters are employed, a represents the upper, 
h the lower surface. 
