colour of iris, [329]

Claosaurus, [429]

Clarke, on habits and development of Alligator, [467]

Classification of Amphibia, historical account, [7] f.

Clawed Toad (Xenopus), [146] f.

Claws or nails of Amphibia, [32]

Cleithra = the pair of additional clavicles;

of Stegocephali, [79];

of Pareiasaurus, [304], [305]

Clemmys, [356] f.;