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Another very important paper was published by Hidalgo around 1907. Although it was not illustrated, it was the first
significant collation of all the previous workers' efforts; he compiled a list of all known cowries and their authors, and
attempted to relate the species and their variants in an orderly way. Hidalgo failed, however, to recognize geographically
remote populations as distinct races; thus we have in Hidalgo another lumper--but nevertheless a very important man in the
Cypraea field.
Of course we all know about the Kiener, (1845), Reeve, (1845), and Sowerby, (1870) monographs; these are primary tools for a
worker in Cypraea, as these authors furnished excellent colored illustrations of the species known to them. I will not dwell
on these three, as they should be fairly familiar to most of you.
I would, however, like to show you the plates of one of the lesser-known cowrie monographs, the 1881 work by Weinkauff; I
have color slides of these plates with me tonight and am happy to share them with you after having to search the world over
-- unsuccessfully -- to try to obtain a copy of this rare book. These slides were made from a borrowed copy, one of the very
few known, remaining at this time in private hands.
In the lower branches near the ocean bottom might be found species of Cymatium, Nassarius papillosus, Latirus nodus (although
this shell is more likely to be found out in the open), and several smaller cone species. The fine silt under the coral head
is a likely place for Conus textile and striatus, spiceri, pertusus, and Distorsio anus, to mention a few of the more
uncommon shells. Conus leopardus is usually found out in the open in sandy or slightly silty areas such as between the coral
heads and coral rubble in the photo. This also applies to Murex insularum and some of the more common deep water cones such
as lividus, flavidus, imperialis, morletti, and in shallower water, ebraeus and chaldaeus. An area as shown in the
accompanying photograph should provide collecting for at least 35 minutes which is my usual time for a single cylinder of air
in 60 to 70 feet of water. It could easily produce 15 to 20 species of shells. The secret of rewarding collecting is
thoroughness and patience. Like gold, the shells are there. All you have to do is find them.
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