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Bolma Persica
''Bolma persica'', common name the peach bolma, is a species of sea snail, a marine gastropod mollusk in the family Turbinidae, the turban snails. Description The size of the shell varies between 15 mm and 40 mm. Its color pattern is creamy yellow with radial dark purple flammules dorsally and ventrally, grading off on the anterior side to crimson and rose pink. The separate tubercles have dark color giving the effect of dots. The rather small shell has a conical shape. It shows long, spirally arranged peripheral spines on all five whorls (about equal to width of shoulder). The whorls are flat-sided. The early whorls show, on the upper surface, five beaded spirals, between which on the later whorls are intercalated one or more much smaller beaded or simple threads. These are crossed obliquely by small, sharp, imbricated lamellae, visible only under a lens. At the periphery the thin keel is produced into narrow, guttered spines with two or three radial threads on each. T ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
William Healey Dall
William Healey Dall (August 21, 1845 – March 27, 1927) was an American natural history, naturalist, a prominent Malacology, malacologist, and one of the earliest scientific explorers of interior Alaska. He described many mollusks of the Pacific Northwest of North America, and was for many years America's preeminent authority on living and fossil mollusks. Dall also made substantial contributions to ornithology, zoology, Biological anthropology, physical and cultural anthropology, oceanography, and paleontology. In addition he carried out meteorological observations in Alaska for the Smithsonian Institution. Biography Early life Dall was born in Boston, Massachusetts. His father Charles Henry Appleton Dall, (1816–86), a Unitarianism, Unitarian minister, moved in 1855 to India as a missionary. His family however stayed in Massachusetts, where Dall's mother Caroline Healey Dall, Caroline Wells Healey was a teacher, transcendentalist, reformer, and pioneer feminist. In 1862, D ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
