
69 
separated from the gum and fell to the bottom and away. This com- 
pany made a fortune in a moderate space of time; but they put up 
gradually the price of Assams, from the TR E their creating & demand. 

operation of curing over the smoke of paim nuts—as when little. strips 
of virgin gum occur in the ae is called * medinm," and its priee 
is lessened by a cent or two. per pon 
The “coarse” is imperfect, b sine composed of the scrapings and ! 
refuse of the fine sorts, and sells for about two thirds of the price of the > 
better grade. It shrinks considerably, having much water in it, and | 
the importer generally is in a hurry to turn it over to the manufacturer. 
There are again many variations in Para rubber coming from different 
Jocalities on “the Amazon. is subject is involved in some obscurity ; 
but the best rubber is see ir be founl on the River Purus, a 
tributary of the Amazon, having its source in the Andes. pm 
however, are apt to believe that ine locality of the best sorts is unkno 
to Americans, and possibly the s may not be the locality. 
There comes from Peru, at AE sources of the Amazon and its tribu- 
is rub 
a serious dra vback. 
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Of Ceara’ rubber, — are three rei number ed one, two, end 
three respectively. ‘It is called a “mule gum,” the significance being 
that it is neither one Mang nor the other, it being so deficient in. 
elasticity as use some to argue that itis not rubber. It is very 
dry rubber, its gathering being peculiar, The tree is incised at the 
beginning e dry season, and he gum oozes from the wound it 
season. The ga thering of this rubber seems to on the wave, for  - 
every year there is an na Leve of Cik people to hace? ay 
bound for the forests of the Amaz 
From Bahia and cnim mbuco, i in “Brazil, comes a rubber of a different ce 
grade from that of Para. It is cured wit th alum and salt water. The 
Pernambuco comes in heath ki is of a WERIT tinge. That 
from Bahia is not so good, and comes in round balls. The principal a 
objection to it is dus it is very damp, entailing a large loss to the 
TE from shrinkage A 
f Mangabeira pathol: there ure three a very- similar to d PES. 
ied and Pernambuco sorts. A grade that hasa red look is con- 
period superior, and sells for 5 or 10 cents per pound higher than 
the others, 
ima Central America comes a variety of rubbers, distinctive in name 
theoretically, but owing to the lines of transportation centerin 
Pacific peo steamers gather also different varieties at Panama with the 
me confusion. That which comes from Nicaragua is called Ni tebe 
U 70637. B 
