Volume 38, 1905
– 92 –

Lagena hexagona, Williamson sp.
Entosolenia squamosa, var. hexagona, Williamson, 1848, Ann. and Mag. Nat. Hist., ser. 2, vol. 1, p. 20. pl. ii, fig. 23.
Lagena hexagona, Williamson sp., Millett, 1901, Journ. R. Micr. Soc., p. 8.
A single typical specimen of this elegant form occurs in our material.
