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THB BEE-KBEPBR'S GUIDE j 



(Fig. 38, s, b) called the spermatheca, which receives the male 

 fluid in copulation, and which, by extruding- its contents, must 

 ever after do the work of impregnation. 



This sac was discovered, and its use suggested, by Mal- 



FiG. 38. 



Female Organs, magmfied, from Zeuckart. 



Pg Poison glands. 

 Sg Sting glands. 

 S Sting. 



O Ovaries. 

 DD Oviducts. 

 S b Spermatheca. 

 Ph Poison sac. 



pighi as early as 1686, but its function was not fully demon- 

 strated until 1792, when the great anatomist, John Hunter, 

 showed that in copulation this was filled. The ovaries are 

 multitubular organs. In some insects^ as laying, workers, 



