EXPLANATION 
OF 
PLATE 8. 
in. supraorbicularis 
I tendinous stripe of m. buceinatorius 
ductus pai'otideus 
deep (longitudinal) layer of in. lniecinatorius 
Fig. 1. Deeper facial muscles of anterior pari of the head of a Horse. 
glands 
m. rectus labii 
p. supralabialis in. buccinatorii 
portion of pars rimana corresponding to the m. depressor labii ini’, in 
gl. labiates 
gt. buccales 
transverse layer of m. buccinalorius 
tendinous portion (comp. PI. 7 ) 
longitudinal layer of in. buccinalorius 
portio palpebralis m. spliinctcris prof, 
transversal layer of m. buccinalorius 
ductus parotideus 
longitudinal layer of in. buccinatorius 
I-lorse 
Fig. 2. Deeper lacial muscles of anterior part of the head of the 
red spots seen in Ihe lower lip are the cut ends of mentalis-fibres. 
Tapir, which is figured PI. 7. 
The 
