THE VIBRATILE CILIA. 



35 



The subjoined sketch of the cilia on the rotatory 

 organs of the common Wheel-animalcule, {Rotifer vul- 

 garis), hereafter described, copied from Ehrenberg, will 

 illustrate the above description. The cilia {a, a) are 

 here represented as shewn by the highest powers of the 

 microscope. 



LiGN. 1. — The Upper Part of the Body of the Rotifer, or Wheel Animalcule, 

 highly magnified, 



a, a, The Zones of Cilia. h, The Proboscis, bearing the Two Eyes. 



c, The Jaws and Teeth. 



d2 



