"Fig. 26 - Parts of a Bill. a, side of upper mandible; b, culmen; c, nasal fossa; d, nostril; e(see…
"Front view of head of American Manatee, showing the eyes, nostrils, and mouth with the lobes of the…
"Front view of head of American Manatee, showing the eyes, nostrils, and mouth with the lip contracted."…
"Nasal Cavities, seen from Below. The sense of smell is located in the membrane which lines the cavities…
"A, branches of the nerves of smell; B, nerves of touch to the nostrils; E, F,…
Siphonorhis americana. "A genus of American Caprimulgidae or goatsuckers, having tubular nostrils. The…
Inferior turbinated bone, convex surface. The inferior turbinated bones are situated on the outer wall…
A side view of the passage of the nostrils. 4, The distribution of the first olfactory pair of nerves.…
"Nostrils of Raia lemprieri, with nasal flaps reverted." — Encyclopedia Britannica, 1893