108 Report of the Chemist of the 



No. of 



Names and Addresses of Manufacturers. brands 



reported. 



B. Tuthlll & Co., Promised Land, N. Y 12 



Geo. F. Tuthill & Co., Greenport, N. Y 1 



J. E. Tygert & Co., 42 So. Delaware avenue, Philadelphia, Pa 9 



Tygert-Allen Fertilizer Co., 2 Chestnut street, Philadelphia, Pa 20 



F. G. Underwood, Oneida, N. Y 4 



J. B. Van Benthuysen, Lishaskill, N. Y 3 



J. W. Van Cott & Son, Unadilla, N. Y 3 



Walker Fertilizer Co., Clifton Springs, N. Y 16 



Walker, Stratman & Co., Pittsburg, Pa 7 



Robert West, Buffalo, N. Y 2 



W. E. Whann, William Penn, Pa 9 



W. E. Wheeler & Co., Rutland, Vt 11 



The Wilcox Fertilizer Works, Mystic, Conn 3 



Willoughby & Fletcher, Oxford, N. Y * 3 



Wilkinson & Co., 29 So. William street. New York city 2 



Williams & Clark Fertilizer Co., 27 William street, New York city. 48 



M. J. Wood, Fairport, N. Y 1 



Wooster & Mott, Union Hill, N. Y 6 



York Chemical Works, York, Pa 4 



Zell Guano Co., Baltimore, Md 49 



TEEMS USED IN" STATING RESULTS OF ANALYSIS. 



In the tables following, the terms used to express the results of 

 analysis are self-explanatory for the most part. Attention is 

 called, however, to " water-soluble " phosphoric acid and nitrogen. 



While manufacturers are required to guarantee only the 

 amount of available phosphoric acid (water-soluble 'plus reverted 

 or citrate-soluble), yet it seems desirable that consumers should 

 know what proportion of the available is water-soluble. The 

 amounts of available phosphoric acid being equal, one would 

 choose by preference a fertilizer containing the larger amount 

 of water-soluble phosphoric acid. 



The amount of water-soluble phosphoric acid varied from 0.1 

 to 11.11 per cent and averaged 5.08 per cent. This constituted 

 nearly 60 per cent of the available phosphoric acid present. 



The water-soluble nitrogen includes nitrogen present in the 

 form of ammonia salts and nitrogen together with that present in 

 small amounts of soluble organic matter. The amount of water- 



