49 



ber of moths make their appearance. Some 

 little allowance must always be made for the 

 time of appearance of insects in early and late 

 seasons. 



During the Summer the galls which are 

 found on the leaves of the oakv, willow, and 

 other trees, and also the oak apples should 

 be from time to time collected, for the purpose 

 of getting the different species of Cynips and 

 Eulophus (gall-jliesj , S^c. Branches of the trees 

 having the galls on the leaves, should be ga- 

 thered, and the stems put into a phial of water 

 in a breeding cage, and kept until the perfect 

 insects come forth. 



