. Amphioxus and the ancestry of the vertebrates [microform]. Vertebrates; Chordata; Fishes; Ascidiacea; Vertébrés; Cordés; Poissons; Ascidiacés. 144 'MEXT OF AMPHIOXUS. In Fig. 81, a larva corresponding in age approximately to that of Fig. 74 is represented as seen from the left side. As noted above, the posterior primary slits bend nor- mally under the pharynx at this stage, and some of them extend as much on one side of the body as on the other, being continued across the ventral side of the pharynx. The great feature of this larva is the relatively prodigious mouth, through which th
. Amphioxus and the ancestry of the vertebrates [microform]. Vertebrates; Chordata; Fishes; Ascidiacea; Vertébrés; Cordés; Poissons; Ascidiacés. 144 'MEXT OF AMPHIOXUS. In Fig. 81, a larva corresponding in age approximately to that of Fig. 74 is represented as seen from the left side. As noted above, the posterior primary slits bend nor- mally under the pharynx at this stage, and some of them extend as much on one side of the body as on the other, being continued across the ventral side of the pharynx. The great feature of this larva is the relatively prodigious mouth, through which the upper portions of the first four primary slits can be seen. From this side we look into the depths of the prncoral pit, having only seen it by transparency in the preceding. 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
