OBSERVATIONS 



P L A N A R I J. 



descending from terrestrial objects to 

 the inhabitants of the waters, infinitely new 

 and interesting matter is presented for the 

 contemplative physiologist. Myriads of 

 beings, alike singular in structure and pro- 

 perties, appear in their peculiar element, 

 all actuated by the resistless impulse of na- 

 ture ; avoiding danger, seeking subsistence, 

 rendering the weaker a prey. But figure, 

 habits, and instinct, are not their sole cha- 

 racteristics ; they enjoy privileges besides, 

 which we might be prone to account so ma- 

 ny aberrations from the laws of organiza- 



