- Billroth, Theodor, 1829-18941
- Bloodletting1
- Bock, C. P. M.1
- Bouillaud, J. (Jean), 1796-18811
- Bowman, William, Sir, 1816-18921
- Brass1
- Braun1
- Brewster, David, Sir, 1781-18681
- Brown, John, 1810-18821
- Brucke1
- Bryant, Joseph D. (Joseph Decatur), 1845-19141
- Buckmill, John Charles, 1817-18971
- Bunsen1
- Burdon-Sanderson, J. (John), Sir, 1828-19051
- Butcher, Richard George Herbert, 1819-18911
- Carpenter, William Benjamin, 1813-18851
- Carrying Case1
- Cazenave, P.-L. Alphee, (Pierre-Louis Alphee), 1795-18771
- Chambers1
- Charadriiformes (order)1