Name
- Cret, Martin Joseph1
- Cullen, Henry, Dr; of Edinburgh1
- Cunningham, Timothy, of Gray's Inn1
- Dargent, J, correspondent of Dr Andrew Didier, fl 17541
- Daubenton, Louis Jean Marie, naturalist, 1716-18001
- Davila, Pedro Franco, naturalist, 1711-17861
- Davis, John, correspondent of Emmanuel Mendez da Costa, fl 1772-17741
- Deichmann, -, correspondent of Emmanuel Mendez da Costa, fl 1762-17631
- Deleuze, Joseph Philippe François, naturalist, 1753-18351
- Didier, Anne, wife of Andrew Didier, fl 17571
- Dingley, Robert, correspondent of Emmanuel da Costa, fl 17561
- Douglas, -, army officer and correspondent of Emmanuel Mendez da Costa, fl 17571
- Douglas, James, 14th Earl of Morton, natural philosopher and courtier, 1702-17681
- Downes, D, correspondent of Emmanuel Mendez da Costa, fl 17791
- Drake, F W, correspondent of Aylmer Bourke Lambert, fl 18021
- Drake, Francis, antiquary and surgeon, ?1695-17711
- Dufieu, Jean-Ferapie, physician and naturalist, 1732-17691
- Duillier, Nicolas, mathematician, 1664-17531
- Duke, Joseph, of Deptford, correspondent of Emmanuel Mendez da Costa, fl 17401
- Dunn, Samuel, correspondent of Emmanuel Mendez da Costa, fl 17641