Barilius, ii. [452]

Barissia, ii. [392]

Barriers, as affecting distribution, i. 6

permanence of, as affecting distribution, i. 7

to the dispersal of birds, i. 17

Baryphthengus, ii. [313]

Barypus, ii. [492]

Basileuterus, ii. [279]

Basilornis, ii. [287]

Bassaris, ii. [200]