. 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 1800. Blake (Ship); Marine animals -- Atlantic Ocean; Marine sediments; Ocean. 174 THREE CRUISES OF THE " BLAKE. was the first to show that the sponge and siUceoiis cable were one organism, and the polyps mere parasites attached to it above the mud and below the sponge (Fig. 528), a view which has been fully confirmed. Asconema setuhalense, a magnific
. 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 1800. Blake (Ship); Marine animals -- Atlantic Ocean; Marine sediments; Ocean. 174 THREE CRUISES OF THE " BLAKE. was the first to show that the sponge and siUceoiis cable were one organism, and the polyps mere parasites attached to it above the mud and below the sponge (Fig. 528), a view which has been fully confirmed. Asconema setuhalense, a magnificent sili- ceous sponge, first dredged by Kent off the coast of Portugal, has a wide geographical distribution. Very fine specimens were collected by the "Talisman," and one of the adjoining figures ^%4xvv^|j||jiillk I,. Fia:. 531.—Holtenia Poiirtalesii. |. (Fig. 529) is taken from one of the best preserved specimens of the French expedition. It is a common species in the West Indies, in from 300 to 600 fathoms. Pheronema Annce (Fig. 530), first described by Leidy, is represented by some most. 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 Houghton, Mifflin
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectocean, bookyear1888
