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Figs. 1-20 illustrate the growth of the seed oysters caught on small stones. Figs. 1-10 show three-month-old oysters attached to living snails (littorina littorea). Figs. 11-14 show the oysters of the same age attached to small stones. Figs. 15-18 show oysters one and one-half years old attached to small peggles, while Figs. 19-20 show two and one-quarter-year-old oysters attached in the same fashion. Fig.16 gives a peculiar illustration of the method of attachment. The young oyster has formed an attachment to a second pebble towards its free end at some distance from the first, indicating that the mantle, even at the age of one year, retains the power of secreting a fixative.
Figs. 1-20 illustrate the growth of the seed oysters caught on small stones. Figs. 1-10 show three-month-old oysters attached to living snails (littorina littorea). Figs. 11-14 show the oysters of the same age attached to small stones. Figs. 15-18 show oysters one and one-half years old attached to small peggles, while Figs. 19-20 show two and one-quarter-year-old oysters attached in the same fashion. Fig.16 gives a peculiar illustration of the method of attachment. The young oyster has formed an attachment to a second pebble towards its free end at some distance from the first, indicating that the mantle, even at the age of one year, retains the power of secreting a fixative.
CategoryShellfish
CaptionFigs. 1-20 illustrate the growth of the seed oysters caught on small stones. Figs. 1-10 show three-month-old oysters attached to living snails (littorina littorea). Figs. 11-14 show the oysters of the same age attached to small stones. Figs. 15-18 show oysters one and one-half years old attached to small peggles, while Figs. 19-20 show two and one-quarter-year-old oysters attached in the same fashion. Fig.16 gives a peculiar illustration of the method of attachment. The young oyster has formed an attachment to a second pebble towards its free end at some distance from the first, indicating that the mantle, even at the age of one year, retains the power of secreting a fixative.
Image Date1912
SubjectOyster culture
Oysters--Development
Image Source AuthorMassachusetts. Commissioners on Fisheries and Game.
Image Source TitleReport Upon the Quahaug and Oyster Fisheries of Massachusetts
Pub. Info.Boston, MA : Wright & Potter Printing Co., 1912
Page No./Plate No.Fig. 68
Digital collectionFreshwater and Marine Image Bank
RepositoryMost materials are located in the University of Washington Libraries. Images were scanned by staff of the UW Fisheries-Oceanography Library.
CopyrightMaterials in the Freshwater and Marine Image Bank are in the public domain. No copyright permissions are needed. Acknowledgement of the Freshwater and Marine Image Bank as a source for borrowed images is requested.
Ordering InformationThe University of Washington Libraries does not provide reproductions of this image. This record contains a citation for this image. If you want to use the scanned image, acknowledgement of the Freshwater and Marine Image Bank as a source for borrowed images is requested.
TypeImage
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