[ « 1 
impairs its’gelatinous principles; its faflitonable forms 
are unneceffary, and frequently injurious to its na- 
tive qualities. It is common to find oily putrid matter 
and exuviee of infedts between the implicated mem- 
branes, which, through the inattention of the cellar- 
man, often contaminate wines and malt liquors in 
the adt of clarification. Thefe peculiar fhapes might, 
probably, be introduced originally with a view to 
conceal and difguife the real fubftance of ifinglafs, 
and preferve the monopoly ; but, as the mafk is 
now taken off, it cannot be doubted to anfwer every 
purpofe more effectually in its * native flate, without 
any fubfequent manufacture whatever, Specially to the 
principal confumers, who hence will be enabled to 
procure fufficient fupply from the Britifh colonies. 
Until this laudable end can be fully accomplilhed, 
and as a fpecies of ifinglafs, more eafily producible 
from the marine fifheries, may probably be more 
immediately encouraged, it may be manufactured 
as follows. 
The founds of cod and ling bear great analogy 
with thofe of the accipenfer genus of Linnaeus and 
Artedi, and are in general fo well known, as to 
require no particular defcription. The Newfound- 
land and Iceland fifhermen fplit open the fifh, as foon 
as taken, and throw the back-bones, with the founds 
annexed, in a heap ; but, previous to incipient pu- 
trefaction, the founds are cut out, wafhed from their 
flimes, and falted for ufe. In cutting out the founds, 
the intercoftal parts are left behind, which are much 
the belt ; the Iceland fifhermen are fo fenfiblfe of 
i. * See Fig- 5 - 
C 2 ' this. 
