Transactions of the Microscopical Society of London 3: 10-15, with one plate (II).
Only plate (medium resolution)
Magnification not specified.
| Gregory, W. (1855) On a remarkable group of Diatomaceous forms, with remarks on shape or outline as a specific character in the Diatomaceae. Transactions of the Microscopical Society of London 3: 10-15, with one plate (II). Only plate (medium resolution) Magnification not specified. |
