69 



56. Letter on " Bread Reform " (Journal of the Society 



of Arts, January 21, 1881) 1881 



57. On the Amount and Composition of the Rain and 



Drainage- Waters collected at Rothamsted, parts 

 1, 2, and 3 (Jour. Roy. Ag. Soc. Eng., vol. xvii, 

 8.8. (1881), pp. 241-279, and 311-350 ; vol. xviii 

 (1882), pp. 1-71). In the separate copies of the 

 entire paper, section 3 of part 3 is given as part 4, 

 and Appendix Tables are also added . . 1881-82 



58. Letters on " Fertility " (Agricultural Gazette, Feb. 



21 and 28; Mar. 7, 14, and 21; April 4, 11, 18, 



and 25 ; May 2 and 9, 1881) 1881 



59. Some Practical Aspects of recent investigations on 



Nitrification (Journal of the Society of Arts, 

 April 7, 1882) 1882 



60. Determinations of Nitrogen in the Soils of some 



of the Experimental Fields at Rothamsted, and 

 the bearing of the results on the question of 

 the Sources of the Nitrogen of our Crops. 

 (Read at the Meeting of the American Asso- 

 ciation for the Advancement of Science, at 

 Montreal, August 1882) . . 1882 



61. Agricultural, Botanical, and Chemical Results of 



Experiments on the Mixed Herbage of Permanent 

 Meadow, conducted for more than twenty years in 

 succession on the same land. Part 2, The 

 Botanical results. Full Paper. (Phil. Trans., 

 part 4, 1882) ,, 1882 



61a. On the Determination of Nitric Acid in Soils 



(Jour. Chem. Soc.. Aug., 1882) . . ..... 1882 



61b. On some of the changes which Nitrogenous Matter 

 undergoes within the Soil (Lecture delivered at 

 South Kensington, April 16, 1883) . . . . 1883 



62. Contributions to the Chemistry of " Fairy Rings " 



(Jour. Chem. Soc., May, 1883) 1883 



63. New Determinations of Ammonia, Chlorine, and 



Sulphuric Acid, in the Rain- Water collected at 

 Rothamsted (Jour. Roy. Ag. Soc. Eng., vol. xix, 

 s.s., part 2, 1883) 1883 



64. The Nitrogen as Nitrio Acid, in the Soils and 



Subsoils of some of the Fields at Rothamsted 

 (Jour. Roy. Ag. Soc., Eng., vol. xix, s.s., part 2, 

 1883) 1883 



