. Elements of comparative zoology. Zoology. FISHES. 319 although the skeleton shows a bent back-bone (fig. 120, C,D).. Fig. 120.—Different forms of tails of fishes. A, diphycercal; cereal; C, D, homocercal. (From Zittel.) B, hetero- There are two nasal sacs, although frequently four nostrils are present, the four arising by a closure of the two primitive openings in the middle. Inside the sac is. 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
. Elements of comparative zoology. Zoology. FISHES. 319 although the skeleton shows a bent back-bone (fig. 120, C,D).. Fig. 120.—Different forms of tails of fishes. A, diphycercal; cereal; C, D, homocercal. (From Zittel.) B, hetero- There are two nasal sacs, although frequently four nostrils are present, the four arising by a closure of the two primitive openings in the middle. Inside the sac is. 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 Kingsley, J. S. (John Sterling), 1854-1929. New York, H. Holt and Company
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectzoology, bookyear1904
