. 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 91 suranal plate of an asymmetrical apical system (Fig. 353), com- bined with an arrangement of tubercles and of peculiar spines which connect it on the one side with the Cidaridae, and on the. Fig. 353. — Salenia Patterson!. other with
. 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 91 suranal plate of an asymmetrical apical system (Fig. 353), com- bined with an arrangement of tubercles and of peculiar spines which connect it on the one side with the Cidaridae, and on the. Fig. 353. — Salenia Patterson!. other with the more recent types of sea-urchins. This asymme- try is an embryonic character of echinoderms, due to the spiral disposition of the plates of the embryo. Traces of this arrauge-. 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
