Note 109 — Chapter II · LAND AND FRESH-WATER MOLLUSCA, THEIR HABITS AND GENERAL ECONOMY
Reading edition
Das Wetter, Dec. 1892. Another case is recorded in Amer. Nat. iii. p. 556.
Reading edition
Das Wetter, Dec. 1892. Another case is recorded in Amer. Nat. iii. p. 556.