 | David Thomas Ansted - 1844 - 546 pages
...base of the enamel, the tooth exchanged the functions of an incisor for that of a grinder, and was prepared to give the final compression, or comminution, to the coarsely divided vegetable matter.^ * Bridgwater Treatise, vol. ip 246. Owen's Report, 1841, p. 122. t " The perpetual edge resulted... | |
 | Richard Owen - 1861 - 490 pages
...worn away beyond the enamel, it presents a broad and nearly horizontal grinding surface (fig. 102), and now another dental substance is brought into use,...vegetable matters. The marginal edge of the incisive conFig. 102. dition of the tooth and the median ridge of the A worn tooth of molar stage are more effectually... | |
 | Richard Owen - 1866 - 704 pages
...crown is worn away beyond the enamel, it presents a broad and nearly horizontal grinding surface, and another dental substance is brought into use to give...comminution, to the coarsely divided vegetable matters, such as might be afforded by the Clathrarice and similar fossil plants, which are found buried with... | |
 | Richard Owen - 1866 - 700 pages
...crown is worn away beyond the enamel, it presents a broad and nearly horizontal grinding surface, and another dental substance is brought into use to give...comminution, to the coarsely divided vegetable matters, such as might be afforded by the Clathrarice and similar fossil plants, which are found buried with... | |
 | Richard Owen - 1866 - 734 pages
...The tooth in this stage has exchanged the functions of an incisor for that of a molar, and iprepared to give the final compression, or comminution, to the coarsely divided vegetable matters, such as might be afforded by the ClathraricB and similar fossil plants, which are found buried with... | |
 | Charles Knight - 1867 - 556 pages
...of a molar, and is prepared to give the final compression, or comminution, to the coarsely-divided vegetable matters. " The marginal edge of the incisive...by which it is rendered softer than in the existing Iguana and other reptiles, and more easily worn away; this is effected by an arrest of the calcifying... | |
 | Charles Knight - 1867 - 556 pages
...of a molar, and is prepared to give the final compression, or comminution, to the coarsely-divided vegetable matters. " The marginal edge of the incisive...by which it is rendered softer than in the existing Iguana; and other reptiles, and more easily worn away; this is effected by an arrest of the calcifying... | |
 | British Association for the Advancement of Science. Meeting - 1842 - 540 pages
...out by Dr. Buckland, with his usual felicity of illustration, in his ' Bridgewater Treatise,' vol.ip 246. When the crown is worn away beyond the enamel,...tooth and the median ridge of the molar stage are more eifectually established by the introduction of a modification into the texture of the dentine, by which... | |
 | Robert Bentley Todd - 1852 - 756 pages
...Dr. finckland, with his usual felicity of illustration, in his " Bridgewater Treatise," vol. ip 2+6. When the crown is worn away beyond the enamel, it...by which it is rendered softer than in the existing Iguana? and other reptiles, and more easily worn away : this is effected by an arrest of the calcifying... | |
 | 1851 - 684 pages
...the functions of an incisor for that of a molar, and is prepared to give the final compres» sion, or comminution, to the coarsely divided vegetable...by which it is rendered softer than in the existing iguana? and other reptiles, and more easily worn away : this is effected by an arrest of the calcifying... | |
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... use to give an inequality to that surface ; this is the ossified remnant of the pulp, which, being firmer than the surrounding dentine, forms a slight transverse ridge in the middle of the grinding surface. The tooth in this stage has exchanged the... 