Illustrations of several types of bivalves, including species of clams, mussels, scallops, and oysters.
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Abalone
Abalone or ear-shell; furnishes mother-of-pearl for inlaid work.... |
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Abalone
"A general name on the Pacific coast of the United States for marine shells of the family Haliotidæ (which see), having an oval form with a very wide aperture, a narrow, flattened ledge o... |
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Accessory Valve
"Small additional valves, as those placed near the umbones of the Genus Pholas among mollusks."-Whitney, 1902... |
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Aetheria semilunata
"A genus of bivalve mollusks, of the family Uniondæ, found in the rivers of Africa and Madagascar."-Whitney, 1902... |
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Arca Transversa
A common plicated shell of the Atlantic coast.... |
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Aspergillum Vaginiferum
It has received the strange name of the Watering-pot because of a convex disk that is pierced with holes like a watering-pot. The animal is attached by certain muscles to the interior of the tube.... |
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Astarte sulcata
"Astarte sulcata; In some systems of zoological classification, a family of dimyarian bi-valves, an external ligament, cardinal teeth, and also lateral teeth on each valve, the pallial line entire, th... |
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Astarte sulcata
"Astarte borealis semisulcata. p,p', anterior and posterior pedal muscle."-Whitney, 1902.... |
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Australis, panopaea
"The Panopaea Australis is a large analogous species, found at Port Natal, on the coast of Africa. It buries itself several feet deep i nthe sand. In general form it resembles the long clam, ... |
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Balanus
A genus of sessile cirripeds, family Balanidae, of which colonies are to be found on rocks at low water.... |
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Bivalve
"Bivalves are those mollusks whose coverings consist of two concave shelly plates or valves united by a hinge."—(Charles Leonard-Stuart, 1911)... |
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Bivalve
Shell of a bivalve, those mollusks whose coverings consist of two concave shelly plates or valves.... |
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Bivalve Circulation
"Diagram showing the heart and general course of the circulation in the lamellibranchs. Only a short section is shown. a, auricle (right), with slit to ventricle; b, the body (region of spaces, lacuna... |
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Bivalve Mollusk
"Shell of a Bivalve Mollusk, inner surface. ad.a., depression showing the attachment of the anterior adductor muscle; ad.p., posterior adductor muscle; h, hinge with teeth; l, attachments of the ligam... |
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Bivalves, Forms of
"Several Forms of Bivalves. A, Avicula; B, Pectunculus, with extended foot (a); C, Venus, with respiratory siphons (a, b) and extended foot (c); D, Mya truncata, showing respiratory siphons (a, b) and... |
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Byssus, mantle and oviduct of the Mytilus
Organization of the mussel.... |
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Cardium Aculeatum
"The familiar cockles are among the most widely distributed of shells. The greatest number are furnished with regular ripples, generally obtuse, sometimes in ridges diverging from the point and armed ... |
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Cardium Costatum
"The familiar cockles are among the most widely distributed of shells. An exotic species which inhabits the coast of Guinea and Senegal, the shell of which, white and fragile, is much sought after by ... |
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Cardium Edulis
"The familiar cockles are among the most widely distributed of shells. A species common to the Atlantic coast. It's white or fawn-colored shell being hollowed out into twenty-six furrows, forming so m... |
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Cardium Groenlandicum
"The familiar cockles are among the most widely distributed of shells. The accessory ornamentation varies with the species, some being smooth." ... |
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Circe
A genus of siphonate bivalves.... |
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Clam
this is the common round clam of the Atlantic coast found from Texas to Cape Cod. It is frequently seen in eastern markets and much esteemed as food, (Beach, 1909).... |
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Clam
Internal structures of the body of a clam.... |
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Clam
Internal structures of the body of a clam, side view.... |
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Clam
Cross section of the body of a clam, through the heart. Arrows indicate water current through the gills.... |