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Scallops: Early plicated stage. View of the right or lower valve. Note the smooth prodissoconch (pd) and siccoconch (d) areas, with the beginning of the sixteen plications (pl) of the adult. There are four teeth (te) on the byssal notch. (33); Scallop...viewed from left or upper valve (34); View of the anatomy of a slightly older scallop...as seen through the right valve. Note primary, secondary and tertiary eyes (e) and tentacles (t). The outer gill (og) has about twenty-five filaments, and begins to resemble the inner gill (ig) (35); View of right or lower valve of same scallop.... Note the five teeth (te) on the byssal notch (bn) and the beginning of the "ears (er). the two teeth back of the external border of the byssal groove are older, and have rounded rather than the pointed ends of the last formed teeth. The valves have become nearly equal, the hinge line straight, and the byssal groove (bg) can be traced back to the asymmetrical prodissoconch (36); View of upper left.... (37)
Scallops: Early plicated stage. View of the right or lower valve. Note the smooth prodissoconch (pd) and siccoconch (d) areas, with the beginning of the sixteen plications (pl) of the adult. There are four teeth (te) on the byssal notch. (33); Scallop...viewed from left or upper valve (34); View of the anatomy of a slightly older scallop...as seen through the right valve. Note primary, secondary and tertiary eyes (e) and tentacles (t). The outer gill (og) has about twenty-five filaments, and begins to resemble the inner gill (ig) (35); View of right or lower valve of same scallop.... Note the five teeth (te) on the byssal notch (bn) and the beginning of the "ears (er). the two teeth back of the external border of the byssal groove are older, and have rounded rather than the pointed ends of the last formed teeth. The valves have become nearly equal, the hinge line straight, and the byssal groove (bg) can be traced back to the asymmetrical prodissoconch (36); View of upper left.... (37)
CategoryShellfish
CaptionScallops: Early plicated stage. View of the right or lower valve. Note the smooth prodissoconch (pd) and siccoconch (d) areas, with the beginning of the sixteen plications (pl) of the adult. There are four teeth (te) on the byssal notch. (33); Scallop...viewed from left or upper valve (34); View of the anatomy of a slightly older scallop...as seen through the right valve. Note primary, secondary and tertiary eyes (e) and tentacles (t). The outer gill (og) has about twenty-five filaments, and begins to resemble the inner gill (ig) (35); View of right or lower valve of same scallop.... Note the five teeth (te) on the byssal notch (bn) and the beginning of the "ears (er). the two teeth back of the external border of the byssal groove are older, and have rounded rather than the pointed ends of the last formed teeth. The valves have become nearly equal, the hinge line straight, and the byssal groove (bg) can be traced back to the asymmetrical prodissoconch (36); View of upper left.... (37)
Image Date1910
SubjectScallops
Image Source AuthorMassachusetts. Commissioners on Fisheries and Game.
Image Source TitleReport upon the Scallop Fishery of Massachusetts
Pub. Info.Boston, MA: Wright & Potter Printing Co., 1910
Page No./Plate No.Fig.31-37
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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