PETERS. — METABOLISM AND DIVISION IN PROTOZOA. 



473 



s 



o 



8 



3 o 



o o 



Molecular Concentration 



For explanation of curves, see pp. 480-492; for discussion, see § 6, pp. 480-492. 



influence upon Stentor than that of osmotic pressure is well adapted to 

 show the relative magnitudes of the osmotic and the specific factors. 



Expt. No. 55, May H, 1902. 

 (All Stentors originate from culture No. 20502.) 

 0.01250 m. Milk Sugar. Nearly isotonic w'th 0.00750 m. NaCl. 



Time 



No. of Stentors 



No. of Divisions 



INIortality . . 

 Mean Result . 



Ohr. 

 50 



10 hr. 

 54 

 4 



48 hr. 

 53 



4 



1 



1.06 



