3 6 THE WALKS ABROAD OF 



properly lighted spot. Leon put a drop of water 

 on a glass slide and arranged it under the object- 

 glass. 



"I also should like to see/' said the doctor, " for 

 this is among the sights of which one never 

 tires." 



It was indeed a marvellous exhibition. In this 

 drop of water, scarcely larger than a pin's head, there 



was quite a world of animalculse, in a state of activity 

 like a Parisian crowd on the boulevards during a 

 holiday. Owing to their transparent bodies, the 

 organs of these singular animals could be seen, and 

 these microscopic beings, veritable protei, constantly 

 changed their shapes, sometimes elongating themselves 

 extremely, and sometimes becoming as round as a 

 ball, and the whole twisted and whirled about, with- 



