108 



The Microscope. 



group of apparatus somewhat similar to those repre- 

 sented in woodcut No. 3 (page 22), only that instead of 

 a single small phial I brought about four for the pur- 

 pose of obtaining samples from other ponds and ditches ; 

 for some ditches nearer to the bog abounded in conferva 



No. 12. Arrangement of Microscope for viewing minute Water 

 Animals. 



