. A manual of zoology. Zoology. 334 ECIIINODERMA. increase at the expense of the arms, absorbing these in its growth so that they form merely the angles of a pentagonal disc (fig. 311). In both arms and disc two surfaces are recognized, oral and aboral, which pass into each other, usually without a sharp margin. In the normal position the oral side is downwards and has in the. Fia. 309.—Comet form of Lmckia multifiora. (From Korschelt-Heider.) One of the arms is producing a new animal by Please note that these images are extracted from scanned page images that may have been digitally
. A manual of zoology. Zoology. 334 ECIIINODERMA. increase at the expense of the arms, absorbing these in its growth so that they form merely the angles of a pentagonal disc (fig. 311). In both arms and disc two surfaces are recognized, oral and aboral, which pass into each other, usually without a sharp margin. In the normal position the oral side is downwards and has in the. Fia. 309.—Comet form of Lmckia multifiora. (From Korschelt-Heider.) One of the arms is producing a new animal by 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 Hertwig, Richard, 1850-1937; Kingsley, J. S. (John Sterling), 1854-1929. New York, H. Holt and Company
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectzoology, bookyear1902
