272 AGKICULTURAL 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 

 in 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 analysis 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 of the Public Statutes are hereby repealed.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. [^Approved May 

 3, 1888.'] 



Instructions to Manufacturers., Importers^ Agents and Sellers of 

 Commercial Fertilizers or Materials used for Manurial Pur- 

 poses in Massachusetts. 



1. An application for a certificate of compliance with 

 the regulations of the trade in commercial fertilizers and 

 materials used for manurial purposes in this State must be 

 accompanied : — 



First, with a distinct statement of the name of each brand 

 offered for sale. 



Second, with a statement of the amount of phosphoric 

 acid, of nitrogen and of potassium oxide guaranteed in each 

 distinct brand. 



Third, with the fee charged by the State for a certificate, 

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

 gen, phosphoric acid and potassium oxide, guaranteed in any 

 distinct brand. 



2. The obligation to secure a certificate applies not only 

 to compound fertilizers but to all substances, single or com- 

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

 ten dollars or more per ton of two thousand pounds. 



3. The certificate must be secured annually before the 

 first of May. 



4. Manufacturers, importers and dealers in commercial 

 tertilizers can appoint in this State as many agents as they 



