National Geographic : 1949 Jul
i National Geographic Sociely 55 Kiodhliiome biyh utherfrd Ilatt Mediterranean Mollusks Made Ancient Dyes; Artists Glorified the Shells From a kind of Murex came Tyrian purple, and in Botticelli's "Birth of Venus" the goddess is standing on the opened valve of a Pecten. the bivalve whose power muscle is the edible scallop (page 49). (8) Haliotis tluberculata is closely related to the abalone of California (page 56). This mollusk lives in abundance in the cool Mediterranean, but is never found on the Atlantic coast of the United States. The four Patellas at the upper left should be com pared to the limpets of the New England coast (page 42), to which they are related. (1) Patella pectinata; (2) Fusinus syracusanus; (3) Patella vulgata; (4) Halia priamus; (5) Patella lusitanica; (6) Natica millepunctata inaculata; (7) Patella ferruginea; (9) Ranella gigantea; (10, 11) Semicassis undulata.