On Floivers and Insects. 125 



and so on till half-past 7 in the evening. Thus 

 she worked twelve hours like a man, and performed 

 more than 100 journeys to and fro.* This, how- 



* Mr. Darwin, in his last work, brought forward some striking 

 evidence how rapidly bees work. They visit, it appears, 20 flowers 

 in a minute, and so carefully do they economise the sunny hours, 

 that in flowers with several nectaries if they find one dry, they do 



