HISTORY OF THE AMERICAN MENHADEN. 497 



In Peruvian guanos the same rates are adopted as for the superpbos- 

 pbates, the additional ingredient potasli being rated at 8. 



The prices are those at which the articles have been sold, or offered 

 to larmers during the year at the places of sale ; the lower rates in 

 large quantities, lots of a ton or more, for cash ; tbe higher one for 

 smaller lots, or on time. 



In addition to the analyses and valuations given in the text of the 

 report, tbe following are presented as indications of the actual condi- 

 tion of tbe fertilizer market in respect to three most important classes 

 of commercial fertilizers — nitrogenous superphosphates, Peruvian gua- 

 nos, and fisb manures. The prices given are those which prevailed in 

 1875-'76, and ar€ in some cases a trifle higher tban now rule. 

 32 F 



