APPENDIX. 4oi 



nailed, and with a faw-knife, the membranes orl 

 each fide of the found mud be fcraped off. The 

 .knife is rubbed upon the brufh occafionally, to 

 ^lear its teeth, the pockets are cut open with fcif- 

 fars, and perfedly cleanfed of the mucous matter 

 with a coarfe cloth: the founds are afterwards 

 wufhed a few minutes in lime-water, in order to 

 abforb their oily principle; and laftly, in clear 

 water. They are then laid upon nets, to dry in 

 the air ; bur, if intended to refemble foreign Ifin- 

 glafs^ the founds of cod will only admit of that 

 called book, but thofe of ling both fhapes. The 

 thicker the founds are, the better the Ifinglafs^ co- 

 lor excepted ; but that is immaterial to the brew- 

 er, who is its chief confumer. 



Vol. III. D d No. 



