B. M.—Baccalaureus Medicinæ, Bachelor of Medicine.

Bost.—Boston.

Bot.—Botany.

Bp.—Bishop.

B. R.—Banco Regis or Reginæ, the King’s or Queen’s Bench.

Br.—Brig.

Brig.—Brigade; Brigadier.

Brig.-Gen.—Brigadier-General.

Brit. Mus.—British Museum.

Bro.—Brother.