Writing With Milk

In tlie conree of a trial in France last year a letter was read from a man named Turpin, a diemist, under sentence of five years' ianprlsonment as a epy, givimg directions to a friend wit.li a view to a secret correspondence witli him while in prison. Tüiis Jed to an official inquiry on the subejct by ithe French authorities, and eome st range revelations were obtained froon some of tlie convicts. It appears tliat wten information lias to be coan-eyed to a prisoner a formal letter, containing apparently aiothing but a few trivial facts of a personal aature, is forwarded to Uie po-ernor, wlio istaimpe it, and altows it to be banded on to the man to wliom it is addressed. The latter, liowever, is aware Ehat there is another letter to be read within the Unes, this being written in milk, and being Oasily deeipherable on being