. The Bashford Dean memorial volume : archaic fishes. Fishes; Sharks; Fishes, Fossil. 186 Bashford Dean Meynonal Volume edge where the "tooth" works against the corresponding part of the opposite "; These cutting edges are placed on the inside in the upper jaw elements; in the infero- gnathal, on the outside (Text-figures 27, 28, 29, 30, 31, 32 and 78). If we examine them it is easily seen that they are remarkably plane. When the specimens are not crushed or bent, this plane surface is maintained for the whole length of both IG, ASG and PSG. It IS very usual to compar
. The Bashford Dean memorial volume : archaic fishes. Fishes; Sharks; Fishes, Fossil. 186 Bashford Dean Meynonal Volume edge where the "tooth" works against the corresponding part of the opposite "; These cutting edges are placed on the inside in the upper jaw elements; in the infero- gnathal, on the outside (Text-figures 27, 28, 29, 30, 31, 32 and 78). If we examine them it is easily seen that they are remarkably plane. When the specimens are not crushed or bent, this plane surface is maintained for the whole length of both IG, ASG and PSG. It IS very usual to compare the working of the gnathal elements in Dinichthys with a pair of scissors. This comparison is very adequate. The cutting edges of the jaws are. Text-figure 77- The position of the gnathal elements PSG and IG in Dinichthys A and C, according to older recon- structions; B and D. m the author's opinion. a-b, movement axis of the 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 Dean, Bashford, 1867-1928; Gudger, E. W. (Eugene Willis), 1866-1956. New York : Published by order of the trustees
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Keywords: ., book, bookcentury1900, booksubjectfishes, booksubjectfishesfossil
