Biology_of_Mustelids_Vol_1.pdf

74.
narrower and lower in the facial part, And :onger, wider and higher in the
cranial part;
(2) not so wide in the interorbital, supraorbital and mastoid
'r.
2 a-I
a-I
Measurements
Fig.6
Differences in transverse proportions of the male and female skull.
(I) Difference between arithmetical means (in %of condylobasal length of the
skull in semi-adult males, and the corresponding values in semi-adult females);
(II) the same for adult males and females.
Measurements:
(8) width of
nasal aperture, (9) rostral width, (10) interoribtal width, (11) width of
hard palate, (12) width between ends of supraorbital processes, (13) zygomatic
width,(14) postorbital width, (15) auricular width,
(16) mastoid width,
(17) width of foramen magnum.
regions;
(3) characterised by a narrower span of the zygomatic arches;
and (4) has a smaller occipital height.
With age the female skull becomes comparatively shorter still (see
the change in length of the hard palate and the distance from it to the
foramen magnum in Fig.5).
In addition the rostral width, the zygomatic
width, the postorbital width, the mastoid width, the facial height, the
height in the region of the tympanic bUllae, and so on, are [relatively]
reduced.