Bibliographic Detail
Roper, F.C.S., 1856
Reference:
Roper, F.C.S. (1856). Some observations on the Diatomaceae of the Thames. Transactions of the Microscopical Society of London, New Series 2: 67-80, pl. VI.
Notes:
Some authors cite a plate "VI" but there is no such plate in this volume at BHL.