to 



10 



20 30 40 45 C 



FIG. 250!. (See p. 34.) Dependence of assimi- 

 lation upon temperature. After Matthaei (1904). 



/ 



; 



i& 



\ 



s 



B 



FIG. 25 b. (See p. 35.) 



A/ 



B/ 



\ 



\ 



0-1 05 i-o 1-5 



FIG. 25 c. (See p. 35.) 



2 4 6 8 10 15 20 30 



FIG. 85 a. (See p. 87.) 



O 



A 



2345 

 B 



FIG. i57. (See p. 



- 



FIG. i68. (Set 1 p. 155.) Amoeba seen from the side. After Jennings (1904). A. 

 Modi' of resting mi suhstnilum : /'. Scheme of forward movement. 



JOST 



