Spotted, [458], [461]

Wood-Swallow, [530] f.

Wren, [426], [519], [521] f., [521];

Bush-, [472];

Rock-, [472]

Wrist, [8]

Wry-bill, [274], [274]

Wryneck, [445], [457], [459], [464] f., [465]

Xanthocephalus, [581]

Xanthochroism, [4] n.