Hynobius, [96], [109]

Hyoid apparatus, of Urodela, [16];

of Anura, [31];

of Chelonia, [318];

of Chelys, [400];

of Lacertilia, [496]

Hyperodapedon gordoni, [292]

Hyperolia, [213];

spawning, [223]

Hyperphalangeal limbs, of Eusuchia, [441];