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CONTENTS. 



(All Rights reserved.) 



PAGE 



1. Brenchley, Wiotfred E. Buried weed seeds .... 1 



2. Sen, Jatindba Nath. The influence of potsherds on nitrification 



in the Indian alluvium. (Four figures in text) . . . 32 



3. Hutchinson, Henry Brougham and Thaysen, Aage Christian, 



The non-persistence of bacterio-toxins in the soil. (Four curves 



in text) . 43 



4. EvERSHED, A. F. C.-H. and Warburton, Cecil. Pheasants and 



agriculture . . . 63 



5. Hutchinson, Henry Brougham. The influisnce of plant residues 



on nitrogen fixation and on lo.sses of nitrate in the soil. (Three 

 figures in text) ......... 92 



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