iv Contents 



Part 3 (June, 1917) 



PAGE 



Ramsay, A. A. The solubility of calcium phosphates in citric acid 277 

 Richards, Eric Hannaford. The fixation of nitrogen in faeces. 



(Two figures in text) ........ 299 



Tempany, H. a. The shrinkage of soils. (Four figures in text) . 312 

 Richards, Eric Hannaford. Dissolved oxygen in rain-water. 



(Two figures in text) . . . . . .331 



Robinson, Gilbert Wooding. Studies on the palaeozoic soils of 



North Wales. (Two figures in text) 338 



Russell, E. J., and Appleyard, A. The infiuence of soil con- 

 ditions on the decomposition of organic matter in the soil. 

 (Nine figures in text) 385 



Part 4 (December, 1917) 



Godden, William. The comparative keeping qualities of palm 



kernel, coconut, ground-nut and other oil-cakes . . 419 



Crowther, Charles, and Woodman, Herbert Ernest. The 



comparative digestibility of palm kernel cake, extracted palm 



kernel meal and undecorticated cottonseed cake. (Two 



figures in text) ......... 429 



Crowther, Charles, and Woodman, Herbert Ernest. T^e 



digestibility of dried yeast . . ... 448 



Crowther, Charles, and Woodhouse, Hilda. The influence of 



palm kernel cake upon the composition of milk-fat . . 451 



Salmon, E. S. On forms of the hop (Humulus lupulus L.) resistant 



to mildew {Sphaerotheca humuli (DC.) Burr.) . . . 455 



Cayley, Dorothy M. Bacterial disease of Pisum safivum. 



(Plates IV— VII) . . 461 



Paine. Sydney G. Studies in bacteriosis. J. "Blackleg" of the 



potato . • 480 



Russell, E. J., and Richards, E. H. The changes taking place 



during the storage of farmyard manure. (Ten figures in text) 495 



