TRANSACTIONS OF MICROSCOPICAL SOCIETY. 



DESCRIPTION OF PLATE V, 



Illustrating Richard Beck's paper on the Metamorphosis of 

 a Coccus found upon Oranges. 



Fig. 

 1. — Eemale. 



2. — Ears: takeu from one of the above. 



3. — Young Coccus shortly after breaking from the egg. 



4. — Male insect at the 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, 



b the lower surface. 



