MICHIGAN ACADEMY OF SCIENCE. 



83 



145 155 165 irg 185 195 265 215 22E 



235 245 255 265 2T5 



Fig. 3. Diagrams showing variations in length in 

 Diagram V, 100 hour series. Diagram VI, 200 hour 



"sugar." series. Paramecia of selected ancestry. 

 serie.s. Diagram VII, 300 hour series. 



