 | Geological and Geographical Survey of the Territories (U.S.) - 1878 - 316 pages
...of impinging upon it. The complicated mechanism of the act of striking may be thus de scribed : — 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... | |
 | Geological and Geographical Survey of the Territories (U.S.) - 1878 - 942 pages
...neck and a few inches more lie loosely curved, the head elevated, the tail projecting and rap idly vibrating. At the approach of the intended victim,...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... | |
 | William Henry Rideing - 1882 - 412 pages
...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... | |
 | John Van Denburgh - 1890 - 932 pages
...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... | |
 | John Collins Warren - 1894 - 854 pages
...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... | |
 | Detroit Emergency Hospital - 1892 - 32 pages
...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... | |
 | Stuart McGuire - 1908 - 496 pages
...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... | |
 | John Van Denburgh - 1922 - 576 pages
...preventing such disaster to the snake. But there is a certain movement among the loose bones of the skull, perhaps not well made out, the result of which is...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... | |
 | California Academy of Sciences - 1922 - 570 pages
...preventing such disaster to the snake. But there is a certain movement among the loose bones of the skull, perhaps not well made out, the result of which is...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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The complicated mechanism of the act of striking may be thus described: — 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,... 