cxxxviii Department of Agricultural Ciiemlstry 



Phosphate rock i Soap i 



Poison cases i6 Soils 65 



PoHsh (silver) i Soot 



Raisin seeds i Stack stuff 



Rock 4 Sulfur 



Sand I Tankage 



Sawdust I Tannery refuse 



Seaweed 3 'Vinegar 13 



Shavings (wood) i Water 8 



Shells I • 



Silage 16 Total 292 



Slag , I = 



GEORGE W. CAVANAUGH, 

 Professor of Chemistry in its Relations with Agriculture. 



