24 



INFUSOKIA. 



CHAPTER IV. 



Infusoria* {^Ciliated ani?nalcules). 



Returning once more to our examination of tlie 

 drop of water which has already furnished us with 

 lessons of such interest, we find it still offering to 

 our notice animalcules widely different in their 





•^%;l 



Fig. 12.— pakamecium, &.c. 



structure from any that we have as yet encountered. 

 They are all of tliem, however, distinguishable by 

 one striking feature in their economy — namely, that 

 * Met with in stagnant water. 



