References
- I may remark here, in passing, that the two supposed cæcal tubes extending to the laying-tube, which Tulk has regarded as cement-glands, are really nerves, as has already been indicated by Gegenbaur Grundzüge der vergl. Anat. 276 276
- Beiträge zur morphol. und histol. Entwickelung der Harn- und Geschlechtswerkzeuge der nackten Amphibien . Siebold and Kölliker's Zeitschrift , iv 159 – 159 .