Name
- Lysons, Daniel, MD1
- Macleay, George, of Sydney, N S Wales1
- Macquarie, Lachlan, Governor of New South Wales1
- Martin, Colladon, of Geneva1
- Marum, Martin, Sécrétaire Perpétuel de la Société Hollandaise1
- Mathews, Andrew, Botanical Collector in Peru1
- Mease, James, MD, of Philadelphia, USA1
- Milligan, Joseph1
- Mitchell, Thomas Livingstone, Mayor, afterwards Colonel and Kt1
- Moon, Alexander1
- Morley, William, correspondent of J. L. Tuxford, fl 18541
- Murchison, Roderick Impey, 1st Baronet, geologist, 1792-18711
- Nerman, W- S-, of Gothenberg1
- Owen, Richard, KCB, naturalist1
- Palisot de Beauvois, Ambrolse Marie François Joseph, Baron, French Naturalist1
- Parry, William Edward, Admiral Arctic explorer1
- Peel, Robert, 2nd Baronet, Prime Minister, 1788-18501
- Persoon, Christian Hendrik, Dr; Dutch Botanist1
- Petit Thouars, Louis Marie Aubert du1
- Petrie, Anne, daughter of Captain M Flinders1