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One valve of a three-ridge (Q.Plicata), showing the cavity from which an embedded 58-grain turtleback pearl was taken, which when peeled produced a fine 20-grain high-button. 1914. Mussels; Pearl fisheries.

Imagem de Unionidae

Descrição:

One valve of a three-ridge (Q.Plicata), showing the cavity from which an embedded 58-grain turtleback pearl was taken, which when peeled produced a fine 20-grain high-button.

Informação de origem

licença
cc-publicdomain
editor
Freshwater and Marine Image Bank, University of Washington Libraries Digital Collections
fornecedor
Freshwater and Marine Image Bank