. A contribution to American thalassography : Three cruises of the United States Coast and geodetic survey steamer "Blake", in the gulf of Mexico, in the Caribbean sea, and along the Atlantic coast of the United States, from 1877 to 1880. Blake (Steamer); Marine animals -- Atlantic Ocean; Marine sediments. CHARACTERISTIC DEEP-SEA TYPES. SEA-URCHINS. 101 Perhaps the most interesting group of sea-urchins discovered by the late deep-sea explorations are the Pourtalesiae. The first Pourtalesia was dredged by Pourtales in the Straits of Florida, — a single specimen only (Fig. 373), but su
. A contribution to American thalassography : Three cruises of the United States Coast and geodetic survey steamer "Blake", in the gulf of Mexico, in the Caribbean sea, and along the Atlantic coast of the United States, from 1877 to 1880. Blake (Steamer); Marine animals -- Atlantic Ocean; Marine sediments. CHARACTERISTIC DEEP-SEA TYPES. SEA-URCHINS. 101 Perhaps the most interesting group of sea-urchins discovered by the late deep-sea explorations are the Pourtalesiae. The first Pourtalesia was dredged by Pourtales in the Straits of Florida, — a single specimen only (Fig. 373), but sufficiently perfect to enable me to make an examination of this extraordinary type, so different at first glance from any sea-urchin previously Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Agassiz, Alexander, 1835-1910; U. S. Coast and Geodetic Survey. Boston ; New York : Houghton, Mifflin and Co.
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Keywords: ., bookauthoruscoasta, bookcentury1800, bookdecade1880, bookyear1888
