WILLIAM BLACKWOOD AND SONS. 23 



Wor/l:s of D. R. Hay, F.R.S.E. 



A Nomenclature of Colotirs applicable to the Arts and 

 Natural Sciences, to Manufactures, and other purposes of General 

 Utility. 228 examples of Colours, Hues, Tints, and Shades. 8vo, ;£3, 3s. 



The Laws of Harmonious Colouring. Adapted to Interior 

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 Post 8vo, 6s. 6d. 



The Geometric Beauty of the Human Figure Defined. To 

 which is prefixed a System of .^Esthetic Proportion. Applicable to 

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The Harmonic Law of Nature applied to Architectural 

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The Orthographic Beauty of the Parthenon referred to a Law 

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The Natural Principles of Beauty, as' developed in the 

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The Science of Beauty, as developed in Nature, and applied 

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The Natural Principles and Analogy of the Harmonf of Form. 

 18 Plates and numerous Woodcuts. 4to, 15s. 



Proportion, or the Geometric Principle of Beauty analysed. 

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Original Geometrical Diaper Designs. Accompanied by an 

 Attempt to develop and elucidate the true Principles of Ornamental 

 Design, as applied to the Decorative Arts. 57 Plates and numerous 

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The Principles of Beauty in Colouring Systematised. 14 Col- 

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First Principles of Symmetrical Beauty. 100 Plates. Post 

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On the Science of thdse Proportions by which the Human 

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The Works of the Right Rev. Bishop Hay, 



of Edinburgh. Titogether with a Memoir of the Author, and Portrait 

 engraved from the Painting at the College of Blairs. Edited under 6he 

 supervision of the Eight Rev. Bishop Strain. A New Edition, in s 

 vols. Crovm 8vo, 21s. 

 "Able and original work." — Londo?i Scotsman. 



' ' There is a good deal of original thought in this worit* . . . There is 

 hardly a chapter which does not contain something that ,may be termed sug- 

 gestive." — yohn Bull. 



