PROCEEDINGS OF SECTION G (ll.). 643 



-6.— NOTE ON THE FREE ACID IN SUPERPHOSPHATES. 

 By F. B. GUTHRIE and A. A. RAMSAY. 



7.— ON METHODS OF SOIL ANALYSIS. 



By jr. A. HARGREAVES, 21. A., F.I.C. 



«.— COMMERCIAL POULTRY-BREEDING. 

 By D. F. LAURIE. 



