The Animalcules, continued. 121 



CHAPTER XI. 



THE ANIMALCULES, CONTINUED. 



now to proceed with, or rather commence, 

 our identification of the animalcules in No. 

 13. The two orders spoken of by Dr. Car- 

 penter are both represented here, although the latter 

 class is in a minority, as it has but one example, 

 number 3, the " short wheel-animalculee." We shall 

 consider it last, along with some fine examples of the 

 same class which occurred among water-plants in my 

 other collections. 



The beautiful vorticellae, or bell-flower animalcule, 

 shall claim attention first. You may see them (for the 

 bell-flowers congregate together like so many cam- 

 panulas in a flower-border) mounted on their delicate 

 hair-like stems, occasionally swaying to and fro. 

 There ! one has disappeared with a sudden movement ; 

 has it dissolved ? No ; it has only drawn back ; and 

 here again it comes slowly forward, its head globular, 

 instead of vase-shaped, and its stalk coiled into an 

 elegant corkscrew form, which gradually straightens 

 itself. Then the globular head, by some movement 



