Sentence Examples


  • As already stated, there is no vertical displacement and succession of the functional teeth except in the case of a single tooth on each side of each jaw, which is the third of the premolar series, and is preceded by a tooth having more or less of the characters of a molar (see fig.
  • - Teeth of Upper Jaw of Opossum (Didelphys marsupialis), all of which are unchanged, except the third premolar, the place of which is occupied in the young animal by a molariform tooth, represented in the figure below the line of the other teeth.
  • On the other hand, there are those who believe that the functional dentition (other than the replacing premolar and the molars) correspond to the milk-dentition of placentals, and that the rudimentary tooth-germs represent a "prelacteal" dentition.
  • The genus Phascologale comprises a number of small marsupials, none exceeding a rat in size, differing from the dasyures in possessing an additional premolar - the dentition being i.
  • In some respects intermediate between the preceding and the next genus is Dasyuroides byrnei, of Central Australia, an animal of the size of a rat, with one lower premolar less than in Phascologale, without the first hind toe, and with a somewhat thickened tail.

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