2037-2039. I. Sludge from filter beds, received from South- 

 boro, Mass. 

 II. Manuie and lime, received from Hubbardston, 

 Mass. 

 III. Leather refuse, from settling tanks, received 

 from Norwood, Mass. 



Moisture at ioo°C., 

 Nitrogen, 

 Potassium oxide. 

 Phosphoric acid. 

 Calcium oxide, 

 Insoluble matter. 



CHINCHA PERUVIAN GUANO. 



LOBOS PERUVIAN GUANO. 



2043-2047. I. Received from New Lenox, Mass. 



II. Received from Hatfield, Mass. 



III. Received from Easthampton, Mass. 



IV. Received from Waltham, Mass. 

 V. Received from Dudle}', Mass. 



* Not determined. 



