Woodhewers. See Dendrocolap-tidae.

XENOPS, 240.

Xyphocolaptes, 243.

Xyphorynchus, 238, 243, 260.

YPECAHA, 20; dances of, 266.

ZENAIDA MACULATA, 63; anecdote of, 91-93.

Zoniopoda tarsata, habits of, 124.