. Bulletin of the Natural Histort Museum. Geology series. 26 E. TRINKAUS. Fig. 1 Dorsal (above) and palmar (below) views of the Cough's Cave 1 metacarpals and proximal manual phalanges; x This surface gracility is reflected in a metacarpal 3 robusticity index [midshaft height * breadth)"' / articular length] of for Gough's Cave 1. This value is below that of the Le Peyrat 5 right metacarpal 3 [ (Patte, 1968)] and the mean of a modem British sample [ ± , N = 38 (Musgrave, 1970)]. The metacarpal 2 base has a large concave surface for the trap- ezoid bone, accompanied by
. Bulletin of the Natural Histort Museum. Geology series. 26 E. TRINKAUS. Fig. 1 Dorsal (above) and palmar (below) views of the Cough's Cave 1 metacarpals and proximal manual phalanges; x This surface gracility is reflected in a metacarpal 3 robusticity index [midshaft height * breadth)"' / articular length] of for Gough's Cave 1. This value is below that of the Le Peyrat 5 right metacarpal 3 [ (Patte, 1968)] and the mean of a modem British sample [ ± , N = 38 (Musgrave, 1970)]. The metacarpal 2 base has a large concave surface for the trap- ezoid bone, accompanied by facets for the trapezium and capitate at right angles to each other and close to 45° from the diaphyseal axis. The angle of 50° for the capitate facet is close to the mean of a recent Euroamerican sample [° ± °, N = 53 (Niewoehner et fl/., 1997)]. In conjunction with this oblique orientation of the Gough's Cave 1 metacarpal 2 / capitate articulation, Gough's Cave 1 possesses a large and projecting metacarpal 3 styloid process. The index of styloid projection (styloid projection vs. metacarpal 3 articular length) for Gough's Cave 1 is This value is close to the mean for a recent Euroamerican sample of [± , N = 33 (Niewoehner et al., 1997)] and below that for the Le Peyrat 5 right metacarpal 3 [ (Patte, 1968)]. The metacarpal 5 base combines. 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 Natural History Museum (London). Andover : Intercept
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