EXTRACTS FOREIGN AND DOMESTIC. 355 



the importance of science to agriculture was shown in a masterly 

 manner — it elicited warm marks of approval. 



The meeting was then addressed by Dr. Stevens, Dr. Underhill, 

 and Professor Mason, when the thanks of the Association were 

 voted to the Historical Society for the gratuitous use of their 

 rooms ; and the meeting adjourned till the first Monday of next 

 month. 



PERUVIAN AND AFRICAN GUANO. 



" Resolved, That the Association cause an analysis to be made 

 of the cargoes of guano from Ichaboe and Peru, now in the mar- 

 ket, for the use of members and all persons in the neighborhood ; 

 and that a report be drawn up with the analysis, containing sug- 

 gestions for the application of the manure ; the whole to be pub- 

 lished as early as practicable in the agricultural papers of this city 

 and vicinity." 



PERUVIAN GUANO. 



Uric acid 10.5 



Ammonia 19.0 



Phosphoric acid 14 . 



Lime and magnesia 16.0 



Salts of soda and potash 6.0 



Oxalic acid, with carbonic and muriatic acids. . . 13.0 



Water = 13 .0 



Sand 2.0 



Volatile and organic matters 6.5 



100.00 



ICHABOE GUANO. 



Ammonia 13.5 



Humic acid 4.0 



Phosphates - . 25 . 



Oxalic, &c., acids 20.0 



Salts of Soda, &c 7.0 



Water and volatile matter 27 .5 



Sand 3.0 



100.00 

 Prices and Relative Value of the Peruvian and African Gua^ 

 no. — T'hese specimens are both very fair, and represent the pecu* 

 liarities of the tw^o kinds of guano. The absence of uric acid in 

 the African variety, is the cause of its inferiority ; for that body 

 I decaying gradually in the soil, continues to yield carbonate of 

 ammonia for a long time, so that the stimulating effects of the 

 guano are seen the next year, whilst the African is more fleeting. 

 The prices of the two are, for Peruvian $45, and for African $35 



