Marvels of Pond-Life. 73 



bells drooped elegantly on all sides, as its portrait will 

 show. At times they nodded with a rapid jerk. 



The Carchesium differs from the common Vorticella, 

 by branching like a tree, but the stems are all retrac- 

 tile, although the trunk seldom exercises the power. 

 A group of these creatures presents a spectacle of extra- 



Epistylis. 



ordinary beauty — it looks like a tree from fairy-land, 

 in which every leaf has a sentient life. In general 

 structure the bells of the Epistylis and the Carchesium 

 resemble the common Vorticella, and like them may be 

 seen with a power of about one hundred linear for 

 general effect, and with a higher one for the examina- 



