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Natural puka progression |
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natural puka progression,
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Natural puka progressionNatural puka progression Erronea walkeri Sowerby is a rather uncommon cowry species so that it is absent in many collections (Schilder 1940, Arch. Mollusk. 72:168) and the limits of its distribution are inaccurately known. In our Prodrome (1938, Proc.Malac. Soc. 23:151) and in my catalogue of all living and fossil Cypraeacea (1941, Arch. Mollusk. 73:96) four "geographical races" have been distinguished, characterized chiefly by the color of the shell (1952, Mem. Inst. Belgique (2) 45:125); the geographical distribution of these four races comprised the following areas: walkeri Sowerby 1832: Seychelles, Cargados, Maldives; surabajensis Schilder 1937: Philippines, Cochinchina to Lombok and Eastern Indonesia (holotype in lower Pleistocene beds of Modjokerto, Java); continens Iredale 1935: Torres Strait to Moreton Bay; bregeriana Crosse 1868: New Caledonia (and Louisiade Archipelago?). Natural puka progressionNatural puka progression A specimen of C. latior Melvill (see figs. 1, 2 and 3) in the American Museum of Natural History, No. 92002 was found on Midway Island by W. E. Koons Jr. in 1941. It is a dead shell, but is readily identifiable. It measures 44 mm. x 25 mm. There are 22 teeth on the outer lip and 20 teeth are present on the columellar side. The specimen was sent to Dr. Schilder who verified the identification and stated (pers. communication) that it was "an oblong specimen of C. latior; all characters agree, and the number of teeth excludes teres." Natural puka progression natural puka progression,handmade components of mother pearl mop,shell coral bones chairs,natural monili di modo,fashion joia da forma,philippines products handicrafts,natural gifts item gift,shell shop jewelry,wood jewelry components,natural puka progression
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Updated June 3, 2004 |
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