Page 10 - whistler1967
P. 10

-.2            -.1            0            +.l
             Fae                                8   /40
                                                  ,  ,
                                               ...;.,r.+   ------t1• (Merychyus)
              SP                            ._!
                                             I  '°'~                minimus
                                             I   \  I    --t1• (Merychyus)
              SM                             I   ~
                                    I      I    t+:                crabilli
                                   I      I       I  I   ---·-!1_. (Merychyus)
             Ml1                  I     (       ~                 calaminthus
                                  I      \  \   IS  \  I
                                  I                I  '-S7   ---!1_. (Merychyus)
             M2.w                 )        \    16'---F              jahnsi
                                 I        I  I    I  I  I
                                                ,,r·
             P:':l               (        .  ...  ~
                                          I
                                 \         I      I
                                  \             ~
             P:':w                I        I    14   \  \
                                I          \  \     \  \  \  \?i,
             Mal               I                      I
                                                q     I
                                                      I
                                                      I
                                                       I
               IP                                    ._J1L
                                                      I
                                                      I
                                                     I  ,
                                                  30,
               IM                   I     .. /'   "'T--'
                                    I   /   /     I  I   I
                                    //           I  I
             M21               /   //         ,  ';'24'
                           ,,,..,.,.,,.  /   /   /
                         /     _,,          /
                       ./     /         26 /
             Mzw
           Figure  2  - Ratio  diagram  of  various  skull  dimensions  in
          !1_.  (Merychyus)  calaminthus,  !1_.  (!1_.)  jahnsi,  !1_.  (!1_.)  crabilli
           and  M.  (M.)  minimus.  Fae-distance  from  anterior  base  of
           cani~e  t-;;  anterior  rim  of  orbit;  SP-length  of  superior
           premolar  series;  SM-length  superior  molar  series    4  1
                                                                       M3 -length
           M3;  M3  -width  anterior  loph  M3;  P 4 rlength  P 4 ;  P  -width
           p4;  MaY-malar  depth;  IP-length  anterior  premolar  :eries;
           IM-length  inferior  molar  series;  M2 -length  M 2 ;  Mz  -width
                                                     1
           anterior  loph  Mz.   For  explanation  of  graph,  see  p'l:ige  6  or
           Simpson  (1941).  Data  for  M.  (M.)  crabilli  and  M.  (M.)
           minimus  taken  from  Bader  (l955).                         -

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