POWER OF THE MICROSCOPE. 



science, such systems are laid open for our inves- 

 gation and study. Dr. Chalmers, in speaking of 

 these two wonderful instruments, says very im- 

 pressively " While the telescope enables us to 

 see a system in every star, the microscope unfolds 

 to us a world in every atom. The one instructs 

 us that this mighty globe, with the whole burthen 

 of its people and its countries, is but a grain of 

 sand in the vast field of immensity ; the other, 

 that every atom may harbour the tribes and 

 families of a busy population/ 3 



I cannot better commence this slight sketch 

 of some of the minute objects contained in 

 water, than in the words of Professor Jones. 



" Take any drop of water from the stagnant 

 pools around us, from our rivers, from our lakes, 



B3 



