The =mylo-hyoideus= is thicker and more extensive than in the horse.
The =stylo-hyoideus= has a long thin tendinous origin and is not
perforated by the digastricus.
The =genio-hyoideus= is more developed.
The =kerato-hyoideus= has an additional attachment on the middle cornu
of the hyoid bone.
The =hyoideus transversus= is bifid.
The =sterno-thyro-hyoideus= has no intermediate tendon and is thicker.
The =omo-hyoideus= arises as a thin band from the fascia over the third
and fourth cervical vertebræ. It blends here with the rectus capitis
anterior major. The =occipito-hyoideus= is thick.
[Illustration: