Baird, Professor, on fauna of Cape St. Lucas ii. [130]
on representative birds of United States, ii. [180]
Balæna, European Pliocene, i. 112
ii. [207]
Balæniceps, ii. [360]
BALÆNIDÆ, ii. [207]
Balænodon, European Pliocene, i. 112
Balænoptera, ii. [207]
Balænopteridæ, ii. [207]
Balea, ii. [516]