. Bulletin of the Natural Histort Museum. Geology series. 3&&%t&'-^ %t. Fig. 2 A, Right human radius GC87-74. Partial diaphysis with the anterior surface preserved for most of it length. Extensive cutmarks are present on the lateral surface, which is the side of the shaft away from the ulna where there are no muscle attachments, but in addition there are a few cut-marks proximally (on the left as seen here) on the supinator insertion. These marks have been interpreted as engraving, but all of the 'groups' of incisions are actually compound marks made by single strokes, with consist
. Bulletin of the Natural Histort Museum. Geology series. 3&&%t&'-^ %t. Fig. 2 A, Right human radius GC87-74. Partial diaphysis with the anterior surface preserved for most of it length. Extensive cutmarks are present on the lateral surface, which is the side of the shaft away from the ulna where there are no muscle attachments, but in addition there are a few cut-marks proximally (on the left as seen here) on the supinator insertion. These marks have been interpreted as engraving, but all of the 'groups' of incisions are actually compound marks made by single strokes, with consistent directionality towards the superior aspect of the shaft. This is interpreted as filleting of the arm muscles progressively along the shaft. B, Scanning electron micrograph of GC87-74 cut-marks. Notice that marks are made by the same stone tool edge and made with a sawing motion that follows the same direction for all cuts along the bone shaft. A, x 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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