Theengraved eg'g's that are exposed for ...

Theengraved eg'g's that are exposed for sale are very to those who do not know how easily the eng-ravingT is done. The writing1 is done on ths shell with wax or tallow, and then the j Qgg is soaked in a weak dilution oí j some acid; even vinegar will answej the purpose. The shell is eaten awaf by the acid wherever not protected by the wax. and the writing1 appears iu bold relief. The art was discovered in kngland about 200 years ago, and th inventor carne near burned for sorcery, as he tried to pass oñ' some oí the inscriptlons for prophecies.