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Troca female matura
The list of shells found in the various areas was compiled by Evelyn Gage by researching all back issues of Sean Raynon
Sabado.
From the very beginning, a nautical chart (or map of underwater areas) has been one of my shelling aids. Chart symbols permit
easy determination of areas to locate various type shells such as sand dwellers, or those that live in coral, on rocks, or in
sea weeds.
Area 1 of the chart is the Ala Moana Reef, once an excellent source for many shells. Since the dredging to fill Magic Island
a great deal of the area has been destroyed. However, the Western end of the area is beginning to return as a shell area.
1. There is no population in which only rostrate or melanistic shells occur, and normal shells are absent.
2. There is locally a gradual passing from normal shells to sub-rostrate and rostrate ones; Cernohorsky estimated (by letter)
the relative frequency of these stages in Mauritia eglantina Duclos in Mondoure Bay as about 30: 5: 1.
3. Rostration and melanism often occur in the same specimen, but they are not always linked.
4. Localities from which such shells are known, may be scattered over the whole region inhabited by the species, but they
evidently are concentrated in certain smaller areas.
5. The tendency to become rostrate or melanistic differs, as certain species seem not to be susceptible at all or at least
less susceptible to rostration and melanism than other species.
There seems to be no predominance of any sex in rostrate cowries; the radula evidently does not differ from that of normal
specimens.
Certain specific names are persistently used in literature, despite their invalidation by the I.C.Z.N. some 10 years ago. As
I was one of the culprits in using two invalid names in my Catalogue of Living Cypraeidae, I thought it advisable to make the
necessary corrections.
By opinion 261 (published 10th August, 1954), the work of L. T. Gronovius, Zoophylacium Gronovianum, 3 parts, 1763 - 1781,
and F. C. Meuschen's Index to Gronovius' work from 1781, have been rejected as non-binominal. This will invalidate the
following names:
troca female matura,lambis cheragra,murex torrifactus,shell leis,puka heishi,lampshade,silver mouth,lamp shade,brown fusus,troca female matura
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troca female matura
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