BIBLIOGRAPHY OF S. W. JOHNSON 277 



Experimental Study of the Use of Salt as a Fertilizer. 

 Appendix to: Outlines of first course of Yale Agricul- 

 tural Lectures, by H. S. Olcott. New York, 1860, pp. 

 181-186. 



Lectures on Agricultural Chemistry. (Delivered at the 

 Smithsonian Institution in 1859.) 14th Ann. Rep't 

 Board Eegents Smithsonian Institution, 1860, pp. 119- 

 194. 



System in Weights and Measures. Homestead, 1860, vol. 5, 

 p. 38. 



The Guano of the South Pacific. Translated from the French 

 of Boussingault, with introductory note. Country Gentle- 

 man, 1861, vol. 17, p. 281 ; pp. 298-299 ; p. 317. 



Baron von Liebig, on the Action of Peruvian Guano. Trans- 

 lated with remarks. Ibid., vol. 18, pp. 106-107. 



Influence of Atmospheric Pressure on Drainage. Translated 

 from the French of Risler. Ibid., p. 170. 



On the Conditions of Germination. Ibid., 1862, vol. 19, pp. 

 153-154. 



Lodi Poudrette. Ibid., pp. 282-283. 



A Scientific View of "The Progression of Primaries." Ibid., 

 vol. 20, pp. 361-362. 



The True Cause of the Potato Disease. Ibid., 1863, vol. 21, 

 pp. 57-58; pp. 217-218; pp. 249-250; pp. 361-362. 



On the Absorbent Power of the Soil for Water-Vapor. Ibid., 

 vol. 22, pp. 26-27. 



On Liebig's Natural Laws of Husbandry. Ibid., pp. 185-186; 

 pp. 250-251 ; pp. 346-347 ; pp. 361-362. 



Recent Investigations Concerning the Sources and Supply of 

 Nitrogen to Crops. 1st Ann. Rep't Sec. Conn. State 

 Board Agric, for 1866, 1867, pp. 30-54. 



What is Clay? Country Gentleman, 1867, vol. 29, p. 253. 



Salt as a Fertilizer. Ibid., vol. 30, p. 250. 



Concerning Clay and Another Thing. Ibid., pp. 410-411. 



