Xenurus, in Brazilian caves, i. 145

ii. [246]

Xiphias, ii. [430]

Xiphidiopicus, ii. [303]

XIPHIIDÆ, ii. [430]

Xiphius, ii. [208]

Xiphocolaptes, ii. [103]

Xiphodontidæ, European Miocene, i. 119

Xipholena, ii. [102]

Xiphorhampus, ii. [445]