 A true idea of the structure of a poisonfang will be formed by supposing the crown of a simple tooth, as that of a boa, to be pressed flat, and its edges to be then bent towards each other, and soldered together so as to form a hollow cylinder open at...  The Sporting review, ed. by 'Craven'. - 390 ページ 編集 - 1867全文表示 - この書籍について
 | Robert Bentley Todd - 1849 - 924 ページ
...Boa. to be pressed flat, and its edges to be then brnt towards each other, and soldered together, ma as to form a hollow cylinder open at both ends. The flattening of the fang, and its inflectioB around the poison-duct, commences immediately above the base, and the suture of the inflected... | |
 | 1841 - 598 ページ
...structure of a poisonfang will be formed by supposing the crown of a simple tooth, as that of a boa, to be pressed flat, and its edges to be then bent...poison-canal is thus in front of the pulp-cavity. The basal aperture of the poison-canal is oblique, and its opposite outlet is still more so, presenting... | |
 | 1841 - 524 ページ
...poisonfang will be formed by supposing the crown of a simple tooth, as that of a boa, to be pressed Mat, and its edges to be then bent towards each other,...poison-canal is thus in front of the pulp-cavity. The basal aperture of the poison-canal is oblique, and its opposite outlet is still more so, presenting... | |
 | 1841 - 1042 ページ
...poisonfang will be formed by supposing the crown of a simple tooth, as that of a boa, to be pressed fiat, and its edges to be then bent towards each other,...poison-canal is thus in front of the pulp-cavity. The basal aperture of the poison-canal is oblique, and its opposite outlet is still more so, presenting... | |
 | 1841 - 524 ページ
...structure of a poiuonfan;; will be formed by supposing the crown of a simple tooth, as that of a boa, to be pressed flat, and its edges to be then bent...together so as to form a hollow cylinder open at both end*. The flattening of the fang, and its inflection around the poison-duct, commence immediately above... | |
 | Robert Bentley Todd - 1852 - 836 ページ
...structure of a poison-fang will be formed by supposing the crown of a simple tooth, as that of a Boa, to be pressed flat, and its edges to be then bent...the fang, and its inflection around the poison-duct, commences immediately above the base, and the suture of the inflected margins runs along the anterior... | |
 | Richard Owen - 1854 - 362 ページ
...may suppose a simple slender tooth, like that of a boa-constrictor, to be flattened, and its edges then bent towards each other and soldered together so as to form a tube, open at both ends, and inclosing the end of the poison-duct. Such a tooth is represented at Fig.... | |
 | William Somerville Orr - 1854 - 422 ページ
...may suppose a simple slender tooth, like that of a boa-constrictor, to be flattened, and its edges then bent towards each other and soldered together so as to form a tube, open at both ends, and inclosing the end of the poison-duct. Such a tooth is represented at Fig.... | |
 | 1861 - 412 ページ
...may suppose a simple slender tooth, like that of a boa constrictor, to be flattened, nncl its edges then bent towards each other, and soldered together, so as to form a tube, optn at both ends, and inclosing the end of the poison-duct. The duct which conveys the poison,... | |
 | Silas Weir Mitchell - 1861 - 164 ページ
...may suppose a simple, slender tooth, like that of a boa-constrictor, to be flattened, and its edges then bent towards each other, and soldered together, so as to form a tube, open at both ends, and inclosing the end of the poison duct. The duct which conveys the poison,... | |
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