Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Том 18The Society, 1880 |
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Страница 63
... superior molar teeth. The first of these is the largest, and the others diminish regularly in size to the last, whose grinding face does not present more than one-third the extent of that of the first. The triturating surfaces of the ...
... superior molar teeth. The first of these is the largest, and the others diminish regularly in size to the last, whose grinding face does not present more than one-third the extent of that of the first. The triturating surfaces of the ...
Страница 64
... superior teeth, the internal in the inferior. After a little attrition, the connection with the external enamel layer disappears, and there remains a median transverse fossette, entirely enclosed by enamel. The tooth then consists of ...
... superior teeth, the internal in the inferior. After a little attrition, the connection with the external enamel layer disappears, and there remains a median transverse fossette, entirely enclosed by enamel. The tooth then consists of ...
Страница 65
... superior size of the parts is obvious, the posterior three superior molars having the same longitudinal extent as the entire series of the E. cavifrons. The gradation in the size of these teeth, is as in that species, the grinding ...
... superior size of the parts is obvious, the posterior three superior molars having the same longitudinal extent as the entire series of the E. cavifrons. The gradation in the size of these teeth, is as in that species, the grinding ...
Страница 66
... Superior molars rooted and short-crowned. The crowns with a lateral fissure bordered with an inflection of the enamel sheath, extending to their bases. In the superior molars this inflection is on the external side, and does not divide ...
... Superior molars rooted and short-crowned. The crowns with a lateral fissure bordered with an inflection of the enamel sheath, extending to their bases. In the superior molars this inflection is on the external side, and does not divide ...
Страница 67
... superior series are with out enamel inflections, and the triturating surface exhibits two externa and one internal crescentic sections of the investing enamel. On the sec ond superior molar there are three external crescents in the ...
... superior series are with out enamel inflections, and the triturating surface exhibits two externa and one internal crescentic sections of the investing enamel. On the sec ond superior molar there are three external crescents in the ...
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