Regeneration, in Amphibia, [66] f.;
of tail in Sphenodon, [298];
of shell in Chelonia, [329];
of horny shields in Chelonia, [329], [386];
of tail in Lacertilia, [495];
of tail in Geckos, [506]
Regions, geographical, [74] f.
Reproduction of Tortoise-shell, [386]
Reptilia, defined, [277];
principal characters of, [278];