. Bulletin of the British Museum (Natural History), Geology. EAST AFRICAN CHALICOTHERES 229 In comparison with the Paris cast it appears in proximal view to be more drawn out in an oblique direction from radiodorsal to ulnovolar. The proximal surface is completely occupied by the articulating surface for the radius, more definitely rhomboidal than in A. pcntelicum, but as in that species convex in the dorsovolar direction and to a lesser degree also in the transverse direction. The radial surface bears as in A. pcntelicum a proximal facet for the scaphoid, flat and triangular, and. Fig. 23. Cu
. Bulletin of the British Museum (Natural History), Geology. EAST AFRICAN CHALICOTHERES 229 In comparison with the Paris cast it appears in proximal view to be more drawn out in an oblique direction from radiodorsal to ulnovolar. The proximal surface is completely occupied by the articulating surface for the radius, more definitely rhomboidal than in A. pcntelicum, but as in that species convex in the dorsovolar direction and to a lesser degree also in the transverse direction. The radial surface bears as in A. pcntelicum a proximal facet for the scaphoid, flat and triangular, and. Fig. 23. Cuneiforms of Ancylotherium. a-d, A . Iiennigi, BMNH. M18784, from left manus. a, proximal view ; b, distal view ; c, radial view ; d, dorsal view, e-h, A. pentelicum, BMNH. M11346, from right manus (reversed), corresponding views. All x \. Key to facets : /, lunate ; til, ulna ; tin, 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 British Museum (Natural History). London : BM(NH)
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