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Drawing illustrating the various degrees of union of the mantle lobes: A, mantle completely open; B, rudiments of siphons, mantle still completely open; C, mantle closed at one point; D, mantle closed at two points with complete formation of siphonal apertures; E, development of siphons, ventral closure more extended; F, mantle closed at three points, with fourth orifice: f, foot, s.a., s.b., anal and branchial siphons; 1, 2, 3, first, second and thrid points of closure of mantle; b.a., byssal aperture
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| Category | Mollusks
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| Caption | Drawing illustrating the various degrees of union of the mantle lobes: A, mantle completely open; B, rudiments of siphons, mantle still completely open; C, mantle closed at one point; D, mantle closed at two points with complete formation of siphonal apertures; E, development of siphons, ventral closure more extended; F, mantle closed at three points, with fourth orifice: f, foot, s.a., s.b., anal and branchial siphons; 1, 2, 3, first, second and thrid points of closure of mantle; b.a., byssal aperture |
| Image Date | 1903 |
| Subject | Bivalves--Anatomy
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| Image Source Author | Arnold, Augusta Foote |
| Image Source Title | Sea-Beach at Ebb-Tide |
| Pub. Info. | New York : Century Co., 1903 |
| Page No./Plate No. | Page 412 |
| Digital collection | Freshwater and Marine Image Bank |
| Repository | Most materials are located in the University of Washington Libraries. Images were scanned by staff of the UW Fisheries-Oceanography Library. |
| Copyright | Materials 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 Information | The 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. |
| Type | Image |
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