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_WATTS'_ DICTIONARY OF CHEMISTRY. Revised and entirely Rewritten by H.
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Caius College, Cambridge. Assisted by Eminent Contributors. 4 vols.
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_WHITELEY._--Works by R. LLOYD WHITELEY, F.I.C., Principal of the
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CHEMICAL CALCULATIONS. With Explanatory Notes, Problems and
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ORGANIC CHEMISTRY: the Fatty Compounds. With 45 Illustrations.
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ELEMENTARY TREATISE ON PHYSICS, Experimental and Applied.
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NATURAL PHILOSOPHY FOR GENERAL READERS AND YOUNG PERSONS.
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CONTENTS.--Vol. I.--The Relation of Natural Science to
Science in General--Goethe's Scientific Researches--The
Physiological Causes of Harmony in Music--Ice and
Glaciers--The Interaction of the Natural Forces--The Recent
Progress of the Theory of Vision--The Conservation of
Force--The Aim and Progress of Physical Science.

CONTENTS.--Vol. II.--Gustav Magnus. In Memoriam--The Origin
and Significance of Geometrical Axioms--The Relation of
Optics to Painting--The Origin of the Planetary
System--Thought in Medicine--Academic F