. Zoology : for students and general readers . Zoology. hâ View of the calcareous net-work from a plate of the integument of a Sea-urchin {CidaHs). b, section perpendicular to the hori- zontal net-work of straight rods.âAfter Gegen- Fig ^ âS\ie\\ oi â {Strongyloeentrotns lividus). «, anue; oe, cesophagus; L intestine; «, one of thu rods of the tooth-apparatus; m, muscles of the jaws; p, ves- sels of the sucking feet; po, extremity of the water-vessel; ca, ocular plate; v, ovary. by cutting the shell into £wo halves, oral and aboral. Remov- ing the ahoral end, the digest
. Zoology : for students and general readers . Zoology. hâ View of the calcareous net-work from a plate of the integument of a Sea-urchin {CidaHs). b, section perpendicular to the hori- zontal net-work of straight rods.âAfter Gegen- Fig ^ âS\ie\\ oi â {Strongyloeentrotns lividus). «, anue; oe, cesophagus; L intestine; «, one of thu rods of the tooth-apparatus; m, muscles of the jaws; p, ves- sels of the sucking feet; po, extremity of the water-vessel; ca, ocular plate; v, ovary. by cutting the shell into £wo halves, oral and aboral. Remov- ing the ahoral end, the digestive canal may be seen in 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 Packard, A. S. (Alpheus Spring), 1839-1905. New York : Henry Holt
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectzoology, bookyear1879
