File:Birds and nature (1902) (14751090642).jpg

Identifier: birdsnature121902chic (find matches)
Title: Birds and nature
Year: 1900 (1900s)
Authors:
Subjects: Birds Natural history
Publisher: Chicago, Ill. : A.W. Mumford, Publisher
Contributing Library: Smithsonian Institution Libraries
Digitizing Sponsor: Biodiversity Heritage Library

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r ore. Malachite is rarely used for rings orsmall jewels but is cut into earrings,bracelets, inkstands and similar objects.Art objects of malachite seem to havebeen in much favor with Russian em-perors as gifts to contemporaneous sov-ereigns, and so bestowed are to be seenin numerous palaces in Europe. Per-haps the most famous of these gifts isthe set of center tables, mantel pieces,ewers, basins and vases presented by theEmperor Alexander to Napoleon andstill to be seen in an apartment of theGrand Trianon at Versailles. Malachite was well known to the an-cients and like other precious stones wasworn as an amulet. It was called psendu-emerald by Theophrastus. Its-name isfrom the Greek malake, the word for mal-lows and was given doubtless on accountof its green color. Azurite, the blue mineral which oftenaccompanies malachite is likewise a hy-drous carbonate of copper and occasion-ally occurs so that it can be used withmalachite for ornamental purposes.Oliver Cummings Farrington. 128 )
Text Appearing After Image:
FROM COL. r. M. WOODRUFF. 518 LEAF BUTTERFLY (INDIA). (Kallima paralekta). Life-size. COPYRISHT UOS, BY A. W. MUMFORD, CHICAt THE LEAF BUTTERFLY. (Kallima paralekta.) There are many instances of protec-tive imitation or mimicry in nature, butnone are more pronounced, more perfector more interesting than that shown bythe leaf butterflies. Briefly defined, thephenomenon of mimicry is that relationwhich obtains when **a certain species ofplants or animal possesses some specialmeans of defense from its enemies andsome other species inhabiting the samedistrict or a part of it, and not itselfprovided with the same special means ofdefense, closely resembles the first spe-cies in all external points of form andcolor, though often very different instructure and unrelated in the biologicalorder. Many animals, such as sometree-lizards, resemble the colors of theenvironment in which they live, eitherfor protection from enemies or in orderthat they may more easily catch theirprey. Some arboreal sn

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