File:Birds and nature (1899) (14727031146).jpg

Identifier: birdsnature531899chic (find matches)
Title: Birds and nature
Year: 1900 (1900s)
Authors:
Subjects: Birds Natural history
Publisher: Chicago, Ill. : A.W. Mumford, Publisher
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries

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is material, it never be-came common. Had it not been forMother Goose the leather gun mighthave dropped from the memory of man. Leather is made from the true skinand tannic acid. The processes of tan-ning have recently undergone suchchanges and improvements that it is outof the question to follow them briefly.The union of the white fibres of gelatin,gluten, and kindred substances with thetannic acid, forms insoluble compoundswhich have great resistance andstrength. This acid is found in oakand hemlock bark, and also in that ofmany other trees such as willow, ash,larch, sumac, and terra japonica. Teais one-fourth tannic acid. Deer skin makes the finer kinds ofmorocco, while sheep and goat skinmake the grades that are used in book-binding. Seal skin makes a superiorkind of enamelled leather for boots,bags, dressing-cases, and ornamentalarticles. Hog skin is so full of oil thatit resists the tannic acid, yet saddles aremade from it, and it has other uses.The French glove makers produce a
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AZALEA. DOUBLEOAY & MoCLURE CO-, NEW YORK. very good kid glove from rat skin whichcan be distinguished from the real articleonly with a microscope. The tanner applies the term, skin, to the smaller product taken from calves,dogs, rats, cats, and small game, reserv-ing the dignified name of hide for that of the full-grown ox or horse, while theskin from a two-year-old steer is calleda kip. The highest use of skins is in the formof parchment and vellum on which areprinted and engrossed the most valu-able documents prepared by man. THE AZALEA. Fill soft and deep, O winter snow IThe sweet azaleas oaken dells. And hide the bank where roses blow.And swing- the azure bells ! — Whittier. THE azalea is a genus of plantsbelonging to the natural orderEriceoe and to the sub-orderRkodorece named in allusion to the dry places in which many of thespecies grow, and consists of uprightshrubs with large, handsome, fragrantflowers, often cultivated in gardens.The genus comprises more than a hun-dred

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