CONTENTS 



I. Introduction .... 



II. Life-history of Bombus . 



III. PSITHYRUS, THE USURPER-BEE 



IV. Parasites and Enemies of the Humble-Bee 

 V. Finding and taking Nests 



VI. A Humble-Bee House 

 VII. Domestication of the Humble-Bee 



Attracting Queens to occupy Artificial Domiciles 

 Getting Queens to breed in Confinement . 

 Placing Queens in Empty Nests 

 Complete Domestication 

 VIII. How to distinguish the British Species 

 Preliminary Remarks 

 Table of the British Species 

 Bombus lapidarius 

 ,> terrestris 

 ,, lucorum 

 soroensis 

 pratorum 

 jonellus 



,, var, nivalis 

 lapponicus 

 cullumanus 

 ruderatus 

 hortorum 

 latreillellus 

 distinguendus . 

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