CONTENTS. 



(AU Bights reserved.) 



PAOB 



1. Leather, J. Walter. The Effect of Climate on Soil Formation 135 



2. Crowther, Charles. Probable Error in Pig- Feeding Trials . 137 



3. Robinson, G. W. Note on the Effect of Changes in the 



Viscosity of Water on the Results of Mechanical Analyses 

 conducted at Varying Temperatures 142 



4. Robinson, G. W., and Lloyd, W. E. On the Probable Error 



of Sampling in Soil Surveys. (Two figures in text) . . 144 



5. Murray, J. Alan. The Starch Equivalent Theory. (One 



diagram in text) 154 



6. Halnan, E. T. The Maintenance Ration of Oxen and the 



Starch Equivalent Theory 163 



7. Wormald, H. Variation in the Male Hop, Humuhts lupulits L. 



(Plate IV) 175 



8. Crowther, Charles, and Ruston, Arthur G. The Influence 



on Crop and Soil of Manures apphed to Permanent Meadow. 

 (Three figxires in text) 197 



9. Cooper, W. F., and Nuttall, W. H. The Theory of Wetting, 



and the Determination of the Wetting Power of Dipping 

 and Spraying Fluids containing a Soap Basis. (Three 

 figures in text) . . . 219 



10. Leather, J. Walter. Soil Gteses. 240 



11. Appleyard, a., and Russell, E. J. Soil Gases: Reply to 



Dr Leather 242 



12. Mackenzie, K. J. J., and Marshall, F. H. A. On Ovariotomy 



in Sows; with Observations on the Mammary Glands and 



the Internal Genital Organs 243 



13. Weir, William. The Effect of removing the Soluble Humus 



from a Soil on its Productiveness 246 



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