INDEX 



273 



Wild oat and sulphuric acid, 135 



onion and sulphuric acid, 135 



radish destroyed bv sulphuric acid, 



135 



Wiley, 198, 258 

 Winds, injury from, 200 

 Wine, phosphates in, 17 

 Wire-worm destroyers, 56 



worm killer, 249 



worms, injury from, 219 

 Witherspoon, 117 

 Woburn, 8, 208, 218 

 Woltereck peat distillation, 54 

 Wood, 238 



ashes, use of, 6, 25, 184 



distillation, 255 



tar, 252 

 Woodhead, 258 

 Wool scouring potash, 75, 76, 227 



waste, 75 



Wormald, 248, 255 

 Wright, 178, 257 

 Wye College, 248 

 Wysor, 65 



XYLOSE as a means of fixing nitrogen, 

 80 



YELLOW sulphate of ammonia, 88 



tint of leaf, 9, 15 

 Yield of ammonia from coal, 52 



ZERO price, 189, 191-194 

 Zinc blende, 128, 134 



capsule for fumigating, 250 



chloride, 245 



ores, 128, 134 



smelting, 64, 128, 193 



THE END 



V. 



Printed by William Clowes & Sons, Limited, Becclts, for Baillihe, Tindall Cox, 

 8 Henrietta Street, Covent Garden, W.C. z. 



18 



