A NEW WORLD. 9 



different from anything we have been accustomed 

 to see; and the substance of which they are 

 composed is in general so transparent, that the 

 internal structure is visible to the eye, even the 

 act of digestion can be perceived, and the food 

 traced from its entrance at the mouth, to its 

 passage into the internal cavities ; the eggs, also, 

 can be seen within the body. These and many 

 other peculiarities have been discovered only 

 by very patient investigation, and several natu- 

 ralists, both English and foreign, have almost 

 devoted their lives to the study : and let no one 

 say it is a useless one, for whatever can help to 

 prove the power and wisdom with which this 

 world was created, cannot be time thrown away. 

 To those who only use the microscope as an 



