980 resultados para Useful Life

Investigations on microscopic foams and on protoplasm. Experiments & observations directed towards a solution of the question of the physical conditions of the phenomena of life. By O. Bütschli ... Authorized translation by E. A. Minchin ...

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Life, its nature, origin and maintenance; an address delivered to the British Association for the Advancement of Science, at its meeting at Dundee, in September, 1912. By E.A. Schäfer.

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The frog book; North American toads and frogs, with a study of the habits and life histories of those of the northeastern states.

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The home life of wild birds; a new method of the study and photography of birds, by Francis Hobart Herrick. With 141 original illustrations from nature, by the author.

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Life-history and habits of the salmon, sea-trout, trout, and other freshwater fish, by P. D. Malloch.

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Record of my life-work in entomology / [by] C. R. Osten-Sacken.

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The life and letters of Charles Darwin, including an autobiographical chapter, ed. by his son Francis Darwin ...

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Viktor Kupradze. In the Survey of Life and Activities of Viktor Kupradze

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(A Short Survey of the Life and Activities of VIktor Kupradze)

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Insect life; an introduction to nature-study and a guide for teachers, students, and others interested in out-of-door life. By John Henry Comstock. With many original illustrations engraved by Anna Botsford Comstock.

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The structure and life-history of the cockroach (Periplaneta orientalis); an introduction to the study of insects, by L.C. Miall and Alfred Denny.

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The life-story of insects, by Geo. H. Carpenter...

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Elementary studies in insect life, by Samuel J. Hunter.

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The study of animal life / by J. Arthur Thomson.

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Life and death, heredity and evolution in unicellular organisms, by H.S. Jennings.

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Types of animal life.

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