320 1JSDEX. 



PAGE 



water vapour 7 15 



wheels 173-182 



weathering agent 20-21 



w eeds 98j 1(M 



weight of soils 39 



well water 45 



wheat 106, 152 



wind 18 _ 19i 157 



winnowing 1^4.3 



" Yanni." flee screw. 



90,97,107,128 



zeolites 35 



Zifta Ban-age 154. 



