370 



BOARD OF AGRICULTURE. 



and agricultural, of Peruvian guano from different deposits. 

 The comparatively limited extent of many still existing 

 deposits designed for exportation cannot but tend to increase 

 our risks. 



A late number of the "Agricultural Gazette" (July 4, 

 1874), of England, contains Prof. Voelcker's analyses of 

 thirteen authenticated samples of Peruvian guano sent by Mr. 

 Thierry, who measured the deposits referred to below, to the 

 Royal Admiralty. These samples were taken from the upper 

 middle and lower layers of the guano deposits upon the 

 islands Huanillos,* Punta de Lobos and Pabellon de Pica 

 (page 368) ; they shoAved the following remarkable features 

 and variations in composition : — 



The variations are so remarkable in these instances, that the 

 most careful assortment only can produce from these deposits 

 a guano of an approximate uniform value. How far this 

 result may be accomplished depends entirely, in our present 

 mode of buying and selling the original packages, on the 

 management of the home employes of the Peruvian govern- 

 ment. In sight of this fact, it seems but judicious to consider 

 whether the plan adopted in Europe would not work well 

 with us, and to suggest to Messrs. Hobson, Hurtado & Co. 

 the propriety of similar accommodations for their numerous 

 customers. 



To obtain reliable information regarding; the "dissolved 



* These deposits have been valued at 700,000 cubic metres. 



