82 



WALTER E. GARREY. 



extrapolation we obtain the following figures for the concentra- 

 tion of sucrose; isosmotic with sea water of: 



1. Woods Hole = 0.73 m. (A = - 1.81° C.) 



2. Pacific Grove = 0.765 m. (A = — 1.90° C.) 



3. Beaufort = 0.81 m. (+) (A = - 2.01° C.) 



Salt Solutions. 



(a) Sodium Chloride. — In addition to the freezing points 

 of solutions given in Table III., the following have been deter- 



Table IV. 



mined by the author on solutions made up by different com- 

 petent workers. The concentrations chosen were somewhat 



Table V. 



1 Concentration referred to volume of solution, not of solvent. 



