The invention of what is now called the _Italic_ letter in printing was made by Aldus Manutius, to whom learning owes much. He observed the many inconveniences resulting from the vast number of _abbreviations_, which were then so frequent among the printers, that a book was difficult to understand; a treatise was actually written on the art of reading a printed book, and this addressed to the learned! He contrived an expedient, by which these abbreviations might be entirely got rid of, and yet books suffer little increase in bulk. This he effected by introducing what is now called the _Italic_ letter, though it formerly was distinguished by the name of the inventor, and called the _Aldine_. FOOTNOTES: [Footnote 30: China is the stronghold where antiquarian controversy rests. Beaten in affixing the origin of any art elsewhere, the controversialist enshrines himself within the Great Wall, and is allowed to repose in peace. Opponents, like Arabs, give up the chase when these gates close, though possibly with as little reason as the children of the desert evince when they quietly succumb to any slight defence.] [Footnote 31: They are small square blocks of metal, with the name in raised letters within a border, precisely similar to those used by the modern printer. Sometimes the stamp was round, or in the shape of a foot or hand, with the potter's name in the centre. They were in constant use for impressing the clay-works which supplied the wants of a Roman household. The list of potters' marks found upon fragments discovered in London alone amounts to several hundreds.] [Footnote 32: Another reason for the omission of a great initial is given. There was difficulty in obtaining such enriched letters by engraving as were used in manuscripts; and there was at this time a large number of professional scribes, whose interests were in some degree considered by the printer. Hence we find in early books a large space left to be filled in by the hand of the scribe with the proper letter indicated by a small type letter placed in the midst. The famous _Psalter_ printed by Faust and Scheffer, at Mentz, in 1497, is the first book having large initial letters printed in red and blue inks, in imitation of the handwork of the old caligraphers.]