. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. Fig. 7. Left lower molar of Gigantopithecus blacki showing the deflected metaconid crest (dw) which Weidenreich named the deflecting wrinkle (after Weidenreich 1945, pi. 10 (fig. bl)). conid crest was 'very well developed in its thickness' (shown by the dm2 of his Plaque) and (ii) as shown by the Mx of his Plaque, the metaconid crest exhibited a true deflecting wrinkle (true in the sense that this feature was defined by Weidenreich). Hanihara (1961: 42) stated that 'the well-developed central ridge s
. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. Fig. 7. Left lower molar of Gigantopithecus blacki showing the deflected metaconid crest (dw) which Weidenreich named the deflecting wrinkle (after Weidenreich 1945, pi. 10 (fig. bl)). conid crest was 'very well developed in its thickness' (shown by the dm2 of his Plaque) and (ii) as shown by the Mx of his Plaque, the metaconid crest exhibited a true deflecting wrinkle (true in the sense that this feature was defined by Weidenreich). Hanihara (1961: 42) stated that 'the well-developed central ridge seems to be homologous with one which is described as a deflecting wrinkle by Weidenreich'. The crests are, in themselves, homologous, but a straight, well-developed crest is not a deflecting wrinkle. Following Hanihara's mistaken identification of a straight metaconid crest as a deflecting wrinkle, a number of workers ( Hanihara et al. 1975; Morris 1970; Turner 1976, 1979; Turner & Swindler 1978; Axelsson & Kirveskari 1977) have either developed or followed classifications in which a thick, straight metaconid ridge is erroneously recognized as a manifestation of a deflecting 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 South African Museum. Cape Town : The Museum
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectnaturalhistory, booky
