AQUEOUS SOLUTIOT^ OF THE SOIL. 



Sll 



"Vn. Garden soil, Heidelberg — 3-fold amount of cold 

 Water (Grouven). 



VIII. Poor, sandy soil, Bickendorf— 3-fold amount of 

 cold water (Grouven). 



IX. Clay soil, beet field, Liebesnitz, Bohemia, extract- 

 ed with 9.6 times its weight of water (R. Hoffmann). 



X. Peat, Meronitz, Bohemia, extracted with 16 times 

 its weight of water (R. Hoffmann). 



XI. Peaty soil of meadow, extracted with 8 times its 

 •weight of water (R. Hoffmann). 



XII. Sandy soil, JMoldau Valley, Bohemia, treated with 

 twice its weight of water (R. Hoffmann). 



XIII. Salt meadow, Stollhammer, Oldenburg (Hai-ms). 



XIV. Excellent beet soil, Magdeburg (Hellriegel). 



XV. Poor beet soil, but good grain soil, Magdeburg 

 (Hellriegel). 



XVI. Experimental soil, Ida-Marienhiitte, Silesia, treat- 

 ed with 2^ times its weight of cold water (Kiillenberg). 



XVII. Soil from farm of Dr. Geo. B. Loring, Salem, 

 Mass., treated with twice its weight of water (W. G. 

 Mixter). 



MATTERS DISSOLVED BY WATER FROM 100,000 P.^RTS OF 

 VARIOUS SOILS. 



