The Barnacles (Cirripedia) Contained in the Collections of the U. S. National Museum, Vol. 60 (Classic Reprint) - Softcover

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Excerpt from The Barnacles (Cirripedia) Contained in the Collections of the U. S. National Museum, Vol. 60

Exclusive of pelagic forms, the Species of the Atlantic and Pacific coasts of the United States are distinct, with possibly one exception, but several of the Californian species are closely related to those of the Atlantic.

From the very scanty data at hand it seems that the Antillean region is an area of specific differentiation, a number of very distinct specific types, not related to known Atlantic forms, occurring there. A com parison of this fauna with the Panamic will doubtless prove interest ing, but nothing is yet known of Panamic cirripedes.

In the generic nomenclature I have been obliged to make various changes from the ordinary usage, yet only in cases Where the univer sally accepted rules of priority have been transgressed. A few new generic and subgeneric terms are introduced, chiefly for groups nearly or quite unknown in the time of Darwin.

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