Forms of Bivalves Small 320×243 Medium 640×485 Large 1024×776 Download Tiff Original 2400×1819 | (1.7 MB) Description "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 foot (c)." -Vaughan, 1906 Keywords avicula, Bivalves, foot, mollusc, mollusks, Mya truncata, pectunculus, siphons, Venus Galleries Clams and Other Bivalves Source: L. Brent Vaughan Hill's Practical Reference Library of General Knowledge (New York, NY: Dixon, Hanson & Company, 1906)
