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Raamatud Books
" The snake prepares for action by throwing itself into a number of superimposed coils, upon the mass of which the neck and a few inches more lie loosely curved, the head elevated, the tail projecting and rapidly vibrating. At the approach of the intended... "
Bulletin of the United States Geological and Geographical Survey of the ... - Page 266
by Geological and Geographical Survey of the Territories (U.S.) - 1878
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Bulletin of the United States Geological and Geographical Survey ..., 4. köide

1878
...instead of impinging upon it. The complicated mechanism of the act of striking may be thus described :—The snake prepares for action by throwing itself...head fixed firmly upon the neck. With the opening oí' the mouth, the spheno-palatines contract, and the fangs spring into position, throwing off the...
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Boys in the Mountains and on the Plains: Or, The Western Adventures of Tom ...

William Henry Rideing - 1882 - 345 lehte
...coils, upon which the neck and a few inches of the body lie loosely curved with the head elevated and the tail projecting and rapidly vibrating. At the approach of the intended victim, it thrusts its head forward and widely separates its jaws, bringing the fangs into position and relieving...
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The Reptiles of Western North America: An Account of the ..., 10. number,2. osa

John Van Denburgh - 1890 - 1028 lehte
...prepares for action by throwMf k*elf tato a number of •uperimpoied coilt, upon the maat 16. CROT ALIDA the head elevated, the tail projecting and rapidly...head fixed firmly upon the neck. With the opening of the mouth, the spheno-palatines contract, and the fangs spring into position, throwing off the sheath...
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Surgical pathology and therapeutics

John Collins Warren - 1894 - 832 lehte
...coils, upon the mass of which the neck and a few inches more lie loosely curved, the head elevated, and the tail projecting and rapidly vibrating. At the...straightens out the anterior portion of the body and then darts forward the head. At this instant the jaws are widely separated, and the back of the head...
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Detroit Emergency Hospital Reports (Clinical Department of the Michigan ...

Detroit Emergency Hospital - 1892
...of striking may be thus described: The snake prepares for action by throwing itself into a number of coils, upon the mass of which the neck and a few inches...sudden contraction of the muscles upon the convexity of curves, straightens out the anterior portion of the body and thus darts forward the head. At this instant...
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Lectures on principles of surgery

Stuart McGuire - 1908 - 480 lehte
...coils, upon the mass of which the neck and a few inches more lie loosely curved, the head elevated and the tail projecting and rapidly vibrating. At the approach of the intended victim the serpent, by a sudden contraction of the muscles upon the convexity of the curves, straightens out the anterior...
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Occasional Papers of the California Academy of Sciences

California Academy of Sciences - 1922
...of impinging upon it. "The complicated mechanism of the act of striking may be thus described: — The snake prepares for action by throwing itself into...head fixed firmly upon the neck. With the opening of the mouth, the spheno-palatines contract, and the fangs spring into position, throwing off the sheath...
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