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MACMILLAN & CO.'S LIST. WORKS BY THE RT. HON. SIR HENRY ROSCOE, F.R.S. Primer of Chemistry. By the. Rt. Hon. Sir Henry Roscoe, F.R.S. Lessons in Elementary Chemistry. Inorganic Chemistry for Beginners.

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YOUR OPINION of an English-made Microscope should be formed by the use of

WATSON'S MICROSCOPE

They are not merely good—they are the best-in design, perfection of movement, and accuracy

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Triple Nosepiece, complete in Mahogany Case,

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The many advantageous features of

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