DROP II. 



IT has been remarked before, that the class 

 Polygastrica derives its name from the globular 

 vessels, seen through the transparent body of the 

 animalcule, being supposed to be numerous di- 

 gestive sacs.* In forty-eight species, eyes are 

 perceptible, and the colour is red, with the ex- 

 ception of one species, in which it is black. They 

 have no feet, but their locomotive organs con- 

 sist of vibratory cilia, which are in constant rapid 



* The name is from two Greek words, signifying many stomachs. 



