File:Zoological Society bulletin (1913) (14763327775).jpg

Identifier: zoologicalsociet55601newy (find matches)
Title: Zoological Society bulletin
Year: 1901 (1900s)
Authors: New York Zoological Society
Subjects: Zoology
Publisher: (New York) : New York Zoological Society
Contributing Library: Smithsonian Institution Libraries
Digitizing Sponsor: Biodiversity Heritage Library

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its yard; but from certain points of view,such as that of Fig 7, where the sunshineglances off the glistening hair, the white andbrown stripes on certain regions of the bodyentirely disappear. Those who strongly believein the color protection theory truly point outthat in certain surroundings this most brilliantlymarked of all the mammalia almost disappearsfrom human vision. I myself have seen a smallherd of Grevy Zebras standing under a tree inthe Duke of Bedfords Park, Woburn Abbey,with the sunshine glistening down on themagainst a light background, become almostinvisible. The vanishing effect is only tran-sitory, however, and from other points of viewthey again become conspicuous. The Grevy is readily distinguished as thelargest of the zebras. It is characterized bydelicate striping, a very long head, and verylarge, rounded ears, like those of many otherforest-loving animals. Its narrow striping con-trasts very strongly with the broad and brilliant ZOOLOGICAL SOCIETY BULLETIN. 945
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Fig. 9. THE ACCLIMATIZATION OF THE GRANT ZEBRA, Equus granti. Mare, and foal born July IT. lull. The mare shows the black muzzle, diamond-shaped pattern of the star on the forehead, black,erect mane, which extends back into the thin dorsal stripe and broad gridiron over the hips. The slender limbs of the zebra eolthave nearly the same length as the limbs of the mother, although the body is very much shorter. This enables the colt to keep pacewith it- mother in escaping the attacks of the lion, the chief enemy of the Grant zebra. stripes of the Grant zebra, which, as shown inFigs. 9 and 10. so completely surround the bod)7that they unite with a black line extendingalong the under surface of the belly. Grantizebra, like the Grew, has a very conspicuousset of horizontal stripes extending down thelegs to the hoofs, and is thus readily distin-guished from the Chapman zebra in which thelower portion of the leg is quite pale. The Grant is typical of a very large groupentirely distinct from t

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