2. Bombus Lapponicus, ♀.

3. Bombus sylvarum, ♀.

4. Apis mellifica, ♂ ♀ ⚲.


BRITISH BEES.

(HYMENOPTERA.)


CHAPTER I
PRELIMINARY OBSERVATIONS,

COMPRISING GENERAL REMARKS UPON THE USES OF BEES IN THE

ECONOMY OF NATURE; THEIR DIVISION INTO SOCIAL AND SOLITARY;