OBSERVATIONS 
Ce A Nate 
MANUREPOR’ POTATO S 
BY RICHARD PARR BAMBER, M.R.C.S. 
(Read November 26th, 1844.) 
‘It is the duty of every man to endeavour that something may be 
added by his industry to the hereditary aggregate of knowledge and 
happiness. To add much, can indeed be the lot of few, but to add 
something, however little, every one may hope; and, of every honest 
endeavour, it is certain, that however unsuccessful, it will be at 
last rewarded.” RAMBLER. 
It is not intended to enter into any detailed 
account of the introduction of Guano into this 
country, or of its use for centuries in Peru. Its 
properties are now so well known as to render 
this unnecessary. From the voyage to South 
America of Don Jorge Juan, and Don Antonio 
Ulloa, published in this country in 1760, to the 
time when Baron Von Humboldt, on his return 
to Europe brought specimens for analysis, its 
