. Fishes. Fishes. i66 The Leptocardii, or Lancelets into a hollow ; Besides this trait two others are common to all of them, the presence of the gill-slits and that of the noto- chord. The gill-slits may have served primarily to relieve the stomach of water, as in the lowest forms they enter directly into the body-cavity. The primitive function of the notochord is still far from clear, but its ultimate use of its structures in affording protection and in furnishing a fulcrum for the muscles and limbs is of the greatest importance in the processes of Please note that these imag
. Fishes. Fishes. i66 The Leptocardii, or Lancelets into a hollow ; Besides this trait two others are common to all of them, the presence of the gill-slits and that of the noto- chord. The gill-slits may have served primarily to relieve the stomach of water, as in the lowest forms they enter directly into the body-cavity. The primitive function of the notochord is still far from clear, but its ultimate use of its structures in affording protection and in furnishing a fulcrum for the muscles and limbs is of the greatest importance in the processes of 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 Jordan, David Starr, 1851-1931. New York, H. Holt and Company
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Keywords: ., bookcentury1900, bookdecade1900, bookpublisher, booksubjectfishes
