BEES-WAX. 369 



of orchard and corn crops in summers of extreme 

 humidity. The wax-tree of Louisiana* (Myrica 

 cerifera) contains immense quantities of wax. In 

 this respect there appears an identity betwixt 

 animal and vegetable secretion, which may be 

 viewed as indicative of simplicity in the structure 

 of the bee : a still simpler organization exists in 

 the aphis, which extracts the saccharine juices 

 from the leaves and bark of trees, and expels 

 them again nearly unchanged f. 



* ride Part I. Chap. 28. f We Part I. Chap. 5 



R 5 



