Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. Those, on the other hand, who require a thorough course will find it in Chapters II.-XI. Another portion of the work is devoted to the practical application of perspective, and this the Author hopes will be found useful to Artists as well as to Students. The greater part of this information is the outcome of experience gained during many years of professional work; and it includes Aerial Perspective, Chapter XIII.; Perspective Hints for Artists, Chapter XIV.; Perspective for Architects and Engineers, with the use of the Centrolinead, Chapter XV; and Photographic Perspective, introducing a method for correcting the exaggerated perspective of photographs, Chapter XVI.