APP. I] RESULTS. 321 



CHAPTER XVII. p. 312. General experiments. 



Experiment No. 1. 



An experiment under veiy favourable conditions gave the 

 values 



A (dry weight of Spirogyra used) = 21 '5 grs. 



B (dry weight of Spirogyra obtained 



after 24 hours) =24*1 grs. 



For twenty-four hours. 



Increase in dry weight = 2*6 grs. 

 Increase of proteids = -8 grs. ) for 21-5 o- rs of 



(Nx 6-3) e .* 



1 bpiroyyra. 



Increase of cellulose = 1 '3 grs. j 



Experiment No. 2. 



Using leaves of Sparganium natans sixteen days. 



A B 



in distilled in a culture 



water. solution. 



Starch 0'4 6 -5 p.c. 



Ash 1-1 4-8 p.c. 



The p.c. are calculated for material dried at 100 C. 



Experiment No. 3. 



Values for a set of experiments with hemp seed. 

 Weights of three portions of original seed. 



A. B. t C. 



10-0 grs. 10-0 grs. 1OO grs. 



Weights of A, B and C after experiment. 



A. B. C. 



10-Ogrs. 4'2 grs. 11-1 grs. 



D A. 21 



