124 



J. PAUL VISSCHER. 



TABLE V. 



EXPERIMENTS ON Colpidium. 



Table showing results obtained in feeding Dileptus on Colpidium. In the 

 five columns under the headings 04, are indicated the number of individuals 

 which formed, in twenty minutes o, i, 2, 3, 4, or more vacuoles containing 

 Colpidium. Colpidium was ingested by 99 per cent, and 84 per cent, formed 

 more than one vacuole. 



TABLE VI. 



EXPERIMENTS ON Chilomonas. 



Table showing results obtained in feeding Dileptus on Chilomonas. In the 

 five columns under the headings 04, are indicated the number of individuals 

 which formed o, i, 2, 3, 4, or more vacuoles containing Chilomonas in twenty 

 minutes. Chilomonas was ingested by 98 per cent, of the dilepti tested and 

 93 per cent, formed more than one vacuole. 



