Note 93 — Chapter II · LAND AND FRESH-WATER MOLLUSCA, THEIR HABITS AND GENERAL ECONOMY
Reading edition
W. A. Gain, Naturalist, 1889, p. 55; Brockmeier, Nachr. Deutsch. Malak. Gesell. xx. p. 113.
Reading edition
W. A. Gain, Naturalist, 1889, p. 55; Brockmeier, Nachr. Deutsch. Malak. Gesell. xx. p. 113.