SCIENTIFIC CULTIVATION OP BRITISH BEES. 149 



MELITTA. 



^ /"Family a, 

 1 „ b. 



a. 

 b. 



* * 



APIS. 



^ ("Family a. 



L „ b. 



- Subsection a. Family a. 

 „ b. 

 I r Family a. 



** 



c. < 



2-i 



a. 



/3. 

 7- 



d. 



1 Family 

 J- „ a. 



2 1 „ ^. 



r Family 1. 



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 



