Note 11 — Chapter I · INTRODUCTION—POSITION OF MOLLUSCA IN THE ANIMAL KINGDOM—CLASSIFICATION—ORIGIN OF LAND AND FRESH-WATER MOLLUSCA
Reading edition
πρόσω, in front. Often alluded to in the sequel as ‘operculate Gasteropoda.’
Reading edition
πρόσω, in front. Often alluded to in the sequel as ‘operculate Gasteropoda.’