It is an admirable feature of herpetologists that they are able to cross the boundaries between different aspects of their subject, which remains, perhaps more than other branches of zoology, a single coherent discipline.

A. d’A. Bellairs and C. B. Cox, 1976.

Laurie J. Vitt and Janalee P. Caldwell, Herpetology : An Introductory Biology of Amphibians and Reptiles, 3rd ed., Academic Press, 2009.