Name
- Schmidt, ?Immanuel, Royal Professor at Berlin1
- Sieber, Franz Wilhelm, of Prague1
- St. Hilaire, Auguste François César Prouvensal1
- St. Hilaire, Geoffroy, President de l'Academie Royale des Sciences1
- Steven, C-, Directeur du jardin de Natutralization, en Crimée1
- Stokes, William, Regius Professor of Physic, Dublin1
- Strangways, William Thomas Horner Fox1
- Thwaites, G- H- K-, Director of the Botanic Gardens at Kandy1
- Torrey, John, Dr1
- Trinius, Charles Bernard, of St. Petersburg1
- Valentine, William, of Add MS 324411
- Vallejo, Mariano1
- Viviani, Domenico, Professor, of Genoa1
- Vyvyan, Richard Rawlinson, 8th Baronet1
- Wallich, W-, Director of the Botanical Gardens at Calcutta1
- Westwood, John Obadiah, entomologist and palaeographer1
- Whewell, William, Reverend Master of Trinity College Cambridge, natural philosopher, 1794-18661
- Winch, Nathanael John1
- Woods, Joseph, of Add MS 324401
- Yates, James, of Add MS 324411