-5^ 



EUGLENA 



(( ',;irii,r)-), liut diffLMinL; from it in rcmainiiiL; uncoloured 

 liy iodine, 



\\'atcr containing Eiiglena gives off hubljlcs of ox)'gen in 

 sunlight : as in Mrematococcus tine carhon dioxide in solution 

 in the water is decomposed in the presence of chlorophyll, 



