Xenopeltis unicolor, [605]

Xenopus, [143];

distribution, [143], [144], [146] f.;

X. calcaratus, [146];

X. laevis, [146] f., [147];

X. muelleri, [146]

Xenorhina, [228]

Xenosauridae, [513], [536]

Xenosaurus grandis, [536]

Zachaenus, [212]