TIW YOUNG NATURALISTS. 



109 



"It is easy, very easy," he muttered; "probably 

 quite easy when you have seized the clue, and this 

 clue Stop ! as you have already done so much, 

 point out to me an example of each of these eight 

 orders/' 



" Very well," said Le'on, laying down his brushes 

 and forceps ; "I can see that we shall not do much at 

 the preservation of my collection to-day. But I do 



THE FLEA: NYMPH, PERFECT INSECT, AND LAEVA. 

 OF THE STIGMATA. 



INDICATES THE POSITION 



not regret it, as I am glad you are overcoming your 

 prepossessions. 



" The principal components of the order Aptera are 

 the lice and the fleas." 



11 A most disagreeable and villainous set, to com- 

 mence with ! You do not keep any in your collec- 

 tion, I hope ? " 



" One must have them represented, and I make my 

 collection as complete as possible. Only in the case 



