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Updated: May 29, 2025
We shall, perhaps, best perceive the improbability of our being enabled to connect species by numerous, fine, intermediate, fossil links, by asking ourselves whether, for instance, geologists at some future period will be able to prove that our different breeds of cattle, sheep, horses, and dogs are descended from a single stock or from several aboriginal stocks; or, again, whether certain sea-shells inhabiting the shores of North America, which are ranked by some conchologists as distinct species from their European representatives, and by other conchologists as only varieties, are really varieties, or are, as it is called, specifically distinct.
The profusion and variety of these mineral sea flowers of Ceylon have long been known. Conchologists visit the island solely to collect examples of their favorite study. An earnest and intelligent collector might add many treasures of species heretofore unknown, or rather undescribed, by employing a dredge from a common boat, just off the northeast shore of the island.
Some conchologists are now unwilling to allow that any Eocene species of shell has really survived to our times so unaltered as to allow of its specific identification with a living species. I cannot enter in this place into this wide controversy.
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