 | 1792 - 530 pages
...very ftrong in them, much ftronger than in other animals ; and thefe mufcles give motion in almof: all directions, but more particularly outwards. It is wonderful how deep they will pierce folid bodies with the fling. I have examined the length they have pierced the palm of the hand, which... | |
 | William Nicholson - 1809 - 716 pages
...consists of two piercers, conducted in a groove or director, which appears to be itself the sting. All these parts are moved by muscles, which we may...directions, but more particularly outwards. It is wonderfol how deep they will pierce solid bodies with the sting. I have examined tlie length they have... | |
 | William Nicholson - 1819 - 432 pages
...apparatus consists of two piercers, conducted in a groove ordirector,which appears to be itself the sting. All these parts are moved by muscles, which we may...wonderful how deep they will pierce solid bodies with the siing. I have examined the length they havepierced the palm of the hand, which is covered with a thick... | |
 | Sir Richard Phillips - 1830 - 728 pages
...their outer edges, near to the point. These two stings can be thrust out beyond the groove, though not far, and they can be drawn within it; and, I believe,...covered with a thick cuticle : it .has often been about the one-twelfth of an inch. The apparatus for the poison consists of two small ducts, which are the... | |
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These two stings can be thrust out beyond the groove, although not far, and they can be drawn within it ; and I believe can be moved singly. All these parts are moved by muscles, which we may suppose are very strong in them, much stronger than in other... 