Bladder for swimming in fish, [190].
Blindness of cave animals, [137].
Blyth, Mr., on distinctness of Indian cattle, [18].
——, on striped Hemionus, [163].
——, on crossed geese, [254].
Boar, shoulder-pad of, [88].
Borrow, Mr., on the Spanish pointer, [35].
Bory St. Vincent on Batrachians, [393].
Bosquet, M., on fossil Chthamalus, [305].
Boulders, erratic, on the Azores, [363].