[In addition to many of the systematic works enumerated in the list of treatises relating to the Vertebrata generally (p. 459), the student may consult the following as to the living and extinct Amphibians: - ]

1. Article "Amphibia." Huxley. 'Encyclopaedia Britannica.' 9th ed. 1875.

2. Article "Amphibia." Bell. Todd's 'Cyclopaedia of Anatomy and Physiology.' 1835-36.

3. "Catalogue of the Batrachia salientia in the Collections of the British Museum." Gunther. 1858.

4. "History of British Reptiles." Bell.

5. "The Common Frog." St George Mivart. 1874.

6. "Systema Reptilium." Fitzinger. 1843.

7. "Lehrbuch der Zootomie." Von Siebold and Stannius.

8. "Erpetologie generale, ou histoire naturelle complete des Reptiles."

Dumeril and Bibron. 1836.

9. "Classification of the Anourous Batrachians." St George Mivart.

'Proc. Zool. Soc.' 1869.

10. "Handbuch der Amphibien." Stannius.

11. "Beitrage zur Anatomie der Amphibien." J. Muller. 'Zeitschr. fur Physiologic" 1832.

12. "Recherches sur l'osteologie et la myologie des Batraciens." Duges. 1834.

13. "Zur Anatomie der Amphibien." Mayer. 1835.

14. "Observations in Myology." Humphry. 1872.

15. "Vergleichende Entwickelungsgeschichte des Kopfes der nackten Amphibien." Reichert. 1838.

16. "Histoire naturelle, developpment, et metamorphose de la Salamandre terrestre." Rusconi and Configliachi. 1854.

17. "Report on the Labyrinthodonts of the Coal-Measures." Miall.

'Brit. Assoc. Reports.' 1873.

18. "Synopsis of Extinct Batrachia and Reptilia of North America."

Cope.

19. "Synopsis of Extinct Batrachia from the Coal-Measures." Cope.

'Palaeontology of Ohio,' vol. ii. 1875.

20. "Die Labyrinthodonten aus dem Bunten Sandstein." Burmeister. 1849.