. Bulletin. Natural history; Natuurlijke historie. 108 PEABODY MUSEUM BULLETIN 42. Fig. 36. The left ulna oi Stylinodon mirus, YPM 11096. a) Medial view, b) Anterior view, c) Lateral view. Abbreviations: c = coronoid process; gs = semilunar notch (= greater sigmoid cavity); Is = radial notch (= lesser sigmoid cavity); o = olecranon; op = olecranon process; r = surface for radius; s = styloid process. Scale is 4 cm long. anteriorly and slightly medially as in Ectoganus. The distal articular surface is large, circular to pear-shaped, shallowly concave in both directions, and appears to have arti
. Bulletin. Natural history; Natuurlijke historie. 108 PEABODY MUSEUM BULLETIN 42. Fig. 36. The left ulna oi Stylinodon mirus, YPM 11096. a) Medial view, b) Anterior view, c) Lateral view. Abbreviations: c = coronoid process; gs = semilunar notch (= greater sigmoid cavity); Is = radial notch (= lesser sigmoid cavity); o = olecranon; op = olecranon process; r = surface for radius; s = styloid process. Scale is 4 cm long. anteriorly and slightly medially as in Ectoganus. The distal articular surface is large, circular to pear-shaped, shallowly concave in both directions, and appears to have articulated primarily with the lunar. Manus A fairly complete left manus is preserved in FMNH PM 3895; however, the elements are still embedded in matrix. This specimen is currently being prepared further and will be described by Dr. William D. Turnbull (FMNH). A partial left manus is preserved in YPM 11096 (Figs. 38-40: PI. 59: fig. 7); this includes the third and fourth metacarpals, their proximal and medial phalanges, the lunar, magnum and unciform. Preserved in USNM 18425 are also a few elements of the left manus: the unciform, metacarpals four and five, the distal portion of metacarpal three and the phalanges of digits three and four (PI. 56: figs. 9, 10, 13, 14). Also preserved are a ?left pisiform and what Gazin (1952, p. 26-27) identified as the Pright scaphoid (PI. 56: figs. 7, 8, 11, 12). FMNH PM 3895 and YPM 11096 are of approximately the same size, but in USNM 18425 the elements are much smaller and less robust. This may be due to various factors such as sexual dimorphism, age differences or simply individual variation be-. 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 Peabody Museum of Natural History. New Haven : The Museum
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