. The Dental cosmos . Supernumerary premolar on one side and partially divided premolar on the other, in a seal. (After Bateson.) dently fails to offer a general explanation that the supposed atavistic teeth are often covering all these cases, even if we assume not at all atavistic in appearance. They a reversion to the reptilian stage of evolu- may be the merest vestiges, as in the so- 1196 THE DENTAL COSMOS. called enamel dropsthey may be rudi- teeth of their respective series (incisor,mentary, as in the conical peg teeth; premolar, etc.), and of the species in Fig. I Symmetrical duplica
. The Dental cosmos . Supernumerary premolar on one side and partially divided premolar on the other, in a seal. (After Bateson.) dently fails to offer a general explanation that the supposed atavistic teeth are often covering all these cases, even if we assume not at all atavistic in appearance. They a reversion to the reptilian stage of evolu- may be the merest vestiges, as in the so- 1196 THE DENTAL COSMOS. called enamel dropsthey may be rudi- teeth of their respective series (incisor,mentary, as in the conical peg teeth; premolar, etc.), and of the species in Fig. I Symmetrical duplicate carnassials in a cat, perfect in form, but smaller than thefunctional carnassials. (After Bateson.) they may present some intermediate con-dition of development; they may be mon- Fig. 4.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectdentist, bookyear1912
