Albert Burton Farnham, Home Taxidermy for Pleasure and Profit
“ While the salt and alum or acid pickle will keep our animal skins safely and in a relaxed condition ready for further preparation at any time, it will not answer for bird skins. For this we have a solution for keeping bird skins soft:After skinning the bird and applying some arsenical solution to the inside, brush this solution liberally over the entire inside of the skin. ”
