Freiburger historische Bestände - digital

EXPLANATION

OF

PLATE 10.

platysma, postauricular part

platysma-bundles arising from the hind margin of the auricle
platysma, b (vide p. 22)

platysma, preauricular part
m. orbicularis

m. pra3orbicularis

m. buccinatorius

a (vide p. 8, footnote 1)

Fig. 1. Superficial facial muscles of Echidna from the right side. The specimen figured has accidentally
raised the snout very much.

a (vide p. 8, footnote 1)

in. sphincter superficialis
gl. submaxillaris
crossing bundles of left in. sphincter superficialis

Fig. 2. The same specimen turned so that it is seen more from the ventral side, after removal of a large
part of the m. sphincter superficialis, whose connection with the m. sphincter profundus is distinctly seen.

Fig. 3. Hinder part of head of the same Boar as figured in PI. 9. It is seen somewhat more from the
ventral side. The upper end of the m. sphincter superficialis and the hinder end of platysma have been removed
. Of the muscles only the sphincteres and the platysma have been represented in colours.