Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum . Ceratofherium praecox « mn rm H S- I I 1» 55 60 65 class midpoints (mm) LANGEBAANWEG .^^ >^>^. .^.^ 35 30 25 20 Class midpoints (mm) $..gg. Fig. 14. Below: dP4 and P4 crown heights and crown breadths of Ceratotherium praecox fromLangebaanweg. Above right: the age (mortahty) profile calculated from the crown left: the distribution of measurements of the minimum mediolateral diameter (mini-mum breadth) of the third metacarpal of Ceratotherium praecox from Langebaanweg. The twomodes probably represent


Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum . Ceratofherium praecox « mn rm H S- I I 1» 55 60 65 class midpoints (mm) LANGEBAANWEG .^^ >^>^. .^.^ 35 30 25 20 Class midpoints (mm) $..gg. Fig. 14. Below: dP4 and P4 crown heights and crown breadths of Ceratotherium praecox fromLangebaanweg. Above right: the age (mortahty) profile calculated from the crown left: the distribution of measurements of the minimum mediolateral diameter (mini-mum breadth) of the third metacarpal of Ceratotherium praecox from Langebaanweg. The twomodes probably represent the sexes, as discussed in the text. UNGULATE MORTALITY, LANGEBAANWEG AND ELANDSFONTEIN 81 breadth distribution had departed significantly from normaUty, then the use ofa single set of constants to calculate ages from crown heights in the mixedsamples would be open to serious question. All crown heights and breadths were measured to the nearest tenth of amillimetre with a single pair of Helios dial-reading calipers. INTERPRETATION OF THE LANGEBAANWEG ANDELANDS


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Keywords: ., bookcentury1800, bookdecade1890, booksubjectnaturalhistory, booky