text:  Without saying that it is or is not _the_ old one "che tutti i pittori del mondo aveano lungamente desiderata " we do not hesitate to say that it is a good one and does obviate those "oily appearances so disagreeable to the eye"; and we are the more confirmed in our belief in its beneficial quality by the authorities Mr Coathupe and Mr Field the well-known scientific author of "chromatography;" and we are much gratified to be able to offer an extract from a letter from Mr Field upon the subject:--"I am accordingly ready to admit all the uses of Mr Rainier's medium and go with him in believing the old painters may have employed it--the Venetians in particular who were at that time the medium between Europe and India in the latter of which countries borax had been employed in painting time immemorial