SCIENTIFIC CULTIVATION OF BRITISH BEES. 149 



MELITTA. 



. ("Family a. 

 I b. 



* % 



a. 

 b. 







c. 



APIS. 



f Family a. 



L b. 



Subsection a. Family . 



b. 



/Family a. 

 /3. 











Mr. Kirby could scarcely have considered that there 

 were more than two series of equivalents in this scheme ; 

 the first being the great division into the two genera ; 

 and the second, the final division, where his analysis 

 terminated in his families, which, with some further 

 slight subdivision, as shown above, constitute our pre- 

 sent genera. The synthetical combinations which the 

 arrangement presents, as we ascend from his families, 

 result from an almost arbitrary selection of characters 



