10:. 



MARVELS OF P0N13-LIFE. 



thrust out its cilia in two distinct tufts, as Colin 

 describes, although' it may have had the power of 

 doing so. At times it sprang quickly backwards and 

 forwards, bringing its head where its tail was before. 

 This object required for its comfortable elucidation 

 a power of about six hundred linear. 



fficistes crvstallirms. 



Among the common Avater-plants, which are worth 

 examining as the probable abodes of rotifers or 

 infusoria, is the pretty little thing called "star- 

 weed," some of which Avas obtained from the last- 

 mentioned ponds, and on examination yielded a 



