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Notorium
The year 1758 marked the beginning of a whole new era of systematic enlightenment. Linnaeus introduced for the first time an
orderly arrangement for the animal kingdom, among them the mollusca in general and the Cypraea in particular. He enunciated
the first acceptable principles for defining species and genera, and this, with his suggestion for a simple binomial
nomenclature, resulted in the first systematic arrangement to enable workers to sort their material in a logical manner.
Linnaeus' famous work, Systema Naturę (10th edition) first fixed the taxonomy of the Cypraeidae in a way that made sense; the
International Commission on Zoological Nomenclature uses this work as the starting point for name priority in all animal
groups.
With this starting point in mind, subsequent work on the Cypraea can be traced through the literature in fairly definite
stages: the first stage is evidently the study of local populations; the second, the acceptance of possible environmental
influences, and the third would be the study of species and races in a broader sense. These are the essential stages to be
considered in the study of any shell family group.
After Linnaeus, many other naturalists contributed their work to subsequent volumes. Gmelin 1789-1791 is the author of the
13th Edition of Linnaeus' earlier work; he revised it by adding many new species and enlarging the bibliographic references.
Gmelin mentioned a total of 114 species of Cypraea.
The sand and loose coral rubble bottom directly in front of the Moana-Surfrider hotels have provided good grounds for sand
dwelling shells for many years. At one time this must have been the mouth of a stream of considerable size because the same
type bottom is found seaward to depths of over 200 feet.
Areas 1 through 4 can be worked by wading with a look box or by snorkeling. Ocean swells usually break along these shores in
depths of 1-1/2 to 2-1/2 fathoms (all depths shown on the chart are in fathoms). By the time the shoreward-rushing water
reaches a depth of 2 to 3 feet there is usually little wave action remaining and snorkeling or look box collecting is
possible.
Areas 5, 6, and 7 should be worked only from a boat. The distance off-shore, plus occasionally strong currents, make it
hazardous diving in these areas except from a boat.
Save the accompanying chart and chart symbols for use with future issues of your Sean Raynon Sabado. And good shelling.
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