. Amphioxus and the ancestry of the vertebrates [microform]. Vertebrates; Chordata; Fishes; Ascidiacea; Vertébrés; Cordés; Poissons; Ascidiacés. EMHk \ \ )XIC DEI 'EL OI'MEXT, 113 Growt/i of Frce-sivunmins; Embryo. Between 4 and 5 in the first morning of develop- ment, at about the eighth hour, the embryo has reached the stage represented in Fig. 62, and it now bursts through the vitelline membrane and becomes free, swimminir bv means of its cilia at the surface of the sea, or aquarium. The fact that Amphioxus has a free-swimming, ciliated embryo is important as providing a general c
. Amphioxus and the ancestry of the vertebrates [microform]. Vertebrates; Chordata; Fishes; Ascidiacea; Vertébrés; Cordés; Poissons; Ascidiacés. EMHk \ \ )XIC DEI 'EL OI'MEXT, 113 Growt/i of Frce-sivunmins; Embryo. Between 4 and 5 in the first morning of develop- ment, at about the eighth hour, the embryo has reached the stage represented in Fig. 62, and it now bursts through the vitelline membrane and becomes free, swimminir bv means of its cilia at the surface of the sea, or aquarium. The fact that Amphioxus has a free-swimming, ciliated embryo is important as providing a general connecting link between the Vertebrates and the Invertebrates, since it. eiTC. 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 Willey, Arthur, 1867-1942. New York; London : Mcmillan
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectfishes, bookyear1894
