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HAMI>SHIRE days. With numerous Illustrations from Drawings by Bryan Hook, et*-. Hvo.
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NATURE IN DOWNLANI). With 12 Plates and 14 Illustrations in the Text, by A. D. McCoRMlOK. 8vo, 10.V. 6</. 'ma.
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LIGHT SCIENCE FOR LEISURE HOURS. Familiar Essays on Scien- tific Subjects. Crown 8vo, Zs. M.
ROUGH WAYS MADE SMOOTH.
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