Longitudinal section of the head, showing the pharynx and nasal chamber-the septum nasi being removed. Labels: a, superior turbinal; b, inferior turbinal; c, superior, d, middle, and e, inferior nasal meatus; f, cavity of the pharynx; g, opening of eustachian tube; h, isthmus faucium; i, posterior naris; k, opening of the larynx; l, opening of the esophagus.

Head of a Horse

Longitudinal section of the head, showing the pharynx and nasal chamber-the septum nasi being removed.…

Cartilaginous framework of the nostril-seen from above. Labels: a, right alar cartilage; a', left alar cartilage' b, terminal portion of the septum nasi.

Nostriils of a Horse

Cartilaginous framework of the nostril-seen from above. Labels: a, right alar cartilage; a', left alar…