272 AGRICULTURAL EXPERIMENT STATION. [Jan. 



said duplicate samples shall be retained by the director and the 

 other by the party whose stock was sampled. All parties violat- 

 ing this act shall be prosecuted by the director of said station ; 

 but it shall be the duty of said director, upon ascertaining any 

 violation of this act, to forthwith notify the manufacturer or im- 

 porter in writing, and give him not less than thirty days thereafter 

 iu which to comply with the requirements of this act, but there 

 shall be no prosecution in relation to the quality of the fertilizer 

 or fertilizing material if the same shall be found substantially 

 equivalent to the statement of analj'sis made by the manufacturer 

 or importer. 



Sect. 8. Sections eleven to sixteen inclusive of chapter sixty 

 of the Public Statutes are hereby repealed. 



Sect. 9. This act shall take effect on the first day of September 

 in the year eighteen hundred and eighty-eight. l^Ajoj^roved May 

 3, 1888.^ 



Instructions to Manufacturers, Importers, Agents and Sellers of 

 Commercial Fertilizers or Materials used for Manurial Pur- 

 poses in Massachusetts. 



1. An ap})lication for a certificate of compliance with 

 the regulations of the trade in commercial fertilizers and 

 materials used for manurial purposes in this State nuist be 

 accom})anied : — 



First, witli a distinct statement of the name of eacli brand 

 offered for sale. 



Second, with a statement of the amount of pliosphoric 

 acid, of nitrogen and of potassium oxide guaranteed in each 

 distinct brand. 



Third, Avitli the fee charged by tlie State for a certificate, 

 which is five dollars for eacii of the following articles, nitro- 

 gen, phosplioric acid and potassium oxide, guaranteed in any 

 distinct brand. 



2. The obligation to secure a certificate applies not only 

 to compound fertilizers l)ut to all substances, single or com- 

 pound, used for manurial purposes, and offered for sale at 

 ten dollars or more i)er Ion of two thousand pounds. 



3. The certificate must be secured annually before the 

 first of May. 



4. Manufacturers, im])orters and dealers in commercial 

 tertilizers can appoint in this State as many agents as they 



