. The book of shells : containing the classes Mollusca, Conchifera, Cirrhipeda, Annulata, and Crustacea. Mollusks; Shells. 44 CLASS MOLLUSCA. The Dusty Nkritina, {Seriti/ia pidb'gera.) This shell is found in the rivers of India, and is about an inch and a quarter in length. All the species of this .^enus are supposed to inhabit fresh water only. There is a curious fact attached to the history of the Neritina, and of a neighbouring- genus, Nerita,—namely, that when found in a fossil state, colours are always in good preservation. The species, which are tolerably numerous, are in general
. The book of shells : containing the classes Mollusca, Conchifera, Cirrhipeda, Annulata, and Crustacea. Mollusks; Shells. 44 CLASS MOLLUSCA. The Dusty Nkritina, {Seriti/ia pidb'gera.) This shell is found in the rivers of India, and is about an inch and a quarter in length. All the species of this .^enus are supposed to inhabit fresh water only. There is a curious fact attached to the history of the Neritina, and of a neighbouring- genus, Nerita,—namely, that when found in a fossil state, colours are always in good preservation. The species, which are tolerably numerous, are in general natives of hot climates. The Viviparous Paludina, (Paludina vivipara.) The animal of the genus Paludina is an inhabitant of fresh waters : it takes its specific name from the fact of the young being liatched within the parent shell, and. PJanorlis corneas. Paludina riripava. Liinwcra stagnaUg. deposited in the waters perfectly formed. In nearly the whole of this class the eggs are laid either in water or in the earth, and afterwards hatched after a longer or shorter Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Lamarck, Jean Baptiste Pierre Antoine de Monet de, 1744-1829; Dall, William Healey, 1845-1927, former owner. DSI; Society for Promoting Christian Knowledge (Great Britain). Committee of General Literature and Education. London : John W. Parker
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Keywords: ., bookauthordallwilliamheale, bookcentury1800, booksubjectmollusks
