Biblioteca Digital

984 resultados para Hardness parallel to the grain

Moulds, mildews, and mushrooms; a guide to the systematic study of the Fungi and Mycetozoa and their literature.

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Shells of land and water; a familiar introduction to the study of the mollusks.

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Guide to the study of insects, and a treatise on those injurious and beneficial to crops: for the use of colleges, farm-schools, and agriculturists. By A. S. Packard, jr. With fifteen plates and six hundred and seventy wood-cuts.

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Evolution and animal life; an elementary discussion of facts, processes, laws and theories relating to the life and evolution of animals, by David Starr Jordan ... and Vernon Lyman Kellogg ...

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The naturalist in Nicaragua: A narrative of a residence at the gold mines of Chontales; journeys in the savannahs and forests. With observations on animals and plants in reference to the theory of evolution of living forms. By Thomas Belt ....

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An introduction to the study of fossils (plants and animals) by Hervey Woodburn Shimer ...

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A short history of natural science and of the progress of discovery from the time of the Greeks to the present day.

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The theory of evolution, with special reference to the evidence upon which it is founded, by William Berryman Scott ...

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An introduction to the study of the Protozoa : with special reference to the parasitic forms / 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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Pocket guide to the common land birds of New England / by M.A. Willcox.

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Fishes of Australia: a popular and systematic guide to the study of the wealth within our waters, by David G. Stead. With ten full-page plates and eighty-eight illustrations in the text.

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British bees : an introduction to the study of the natural history and economy of the bees indigenous to the British Isles / By W.E. Shuckard.

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The myology of the raven (Corvus corax sinuatus.) A guide to the study of the muscular system in birds. By R. W. Shufeldt.

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Mosses and lichens; a popular guide to the identification and study of our commoner mosses and lichens, their uses, and methods of preserving, by Nina L. Marshall ... Sixteen plates in colour, thirty-two in black and white, from photographs by Hannah C. Anderson; and many text illustrations.

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