Butastur, ii. [348]

Buteo, ii. [348]

Buteogallus, ii. [348]

BUTEONINÆ, ii. [348]

Buteola, ii. [348]

Buthraupis, ii. [98]

Butterflies, arrangement of, i. 103

Palæarctic, i. 187

of Central Europe, i. 196

of the Mediterranean sub-region, i. 205