130 



PRACTICAL MICROSCOPY. 



inverted in the bottle being covered at the mouth with very 

 fine muslin. The water containing the organisms is poured 

 in at the top funnel, while water only issues from the stem 

 of that inverted in the water. 





FIG. 116. 



FIG. 117. 



This operation may be continued until the bottle is well 

 stocked, when the contents may be carried homewards for 

 examination. 



When an organism is required to be removed from a 



