Standardized spacing after apostrophes in Italian names and phrases. Standardized hyphenation. Retained archaic spelling and punctuation, except as noted below. Moved footnotes to the end of each chapter. Other adjustments: For consistency in the text, standardized 'bassirilievi', 'bassi rilievi', and 'bassi relievi' as 'bassi relievi'. Changed 'thereis' to 'there is' ...there is made mention of his... Changed 'alter-pieces' to 'altarpieces' ...under one of his altarpieces, we read... Added missing close quotes in Footnotes 21 and 23 ...in the library of Pope Pius,"... ...Hoc Bellunellus nobile pinxit opus."... Added 'in' to ...'in spite of the authority of Vasari'... Deleted duplicate word 'of' ...a picture of the engravings of Parmigiano... Changed 'develope' to 'develop' ...sought to develop itself...