Note 20 — Chapter I · INTRODUCTION—POSITION OF MOLLUSCA IN THE ANIMAL KINGDOM—CLASSIFICATION—ORIGIN OF LAND AND FRESH-WATER MOLLUSCA
Reading edition
Lindström, Oef. K. Vet. Förh. Stockh., 1855, p. 49.
Reading edition
Lindström, Oef. K. Vet. Förh. Stockh., 1855, p. 49.