Note on the monstered tail of two species of Lacertilia

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  • トカゲ類の双尾および3尾奇形
  • トカゲルイ ノ ソウビ オヨビ 3 ビ キケイ

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Abstract

A morphological study on the monstered tail of two species of Lacertilia was done with X-ray photograph and Mall's alizalin red-S staining method. One of them, Gekko japonicus, has a forked tail, and the other one, Takydromus tachydromoides, has a triple tail. The former's regenerated tail develops at the level of the left transverse process of the 50th vertebra. It shows normal feature in structure. The latter's primary regenerated tail develops at the caudal part of the 33rd vertebra and the secondary regenerated tail develops at the middle part of the primary regenerated tail. It seems to be constituted with cartilage or chondrin. These specimen were collected in Aichi Prefecture.

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