354 



INDEX 



Water in soils, 57, 96 



,, cultures, 8 



films, 60 



,, vapour, 14 

 Way's experiments, 105 

 Weathering of rocks, '25 

 Weeds, 201, 279, 331 

 West Indian phosphates, 212 

 Wheat, composition of, 169 

 ,, manure for, 195 

 ,, straw, 312 

 White mica, 23 

 Whitney on absorption, 107 



Wiborgh phosphate, 235 

 Wind-blown sands, 27 

 Winogradsky on nitrification, 156 

 Wire-basket method, 190 

 Woburn experiments, 321 

 Wollny on transpiration, 73 

 Wood ashes, 277 

 Woollen rags, 251 



YEASTS, 138 



ZOOLITES, 22, 107 





BRADBURY, A.GNKW, & CO. LD., PRINTERS, LONDON AND TONRRIDGE. 



