Freiburger historische Bestände - digital

EXPLANATION

OF

PLATE 40.

Fig. 1. Nasal cartilage of the Elephant no. 2 seen from above, all the soft parts removed.

Fig. 2. A fragment of the specimen figured in Plate 19, including the nasal bone, part of the nasal cavity
etc. The specimen has become further dissected, so that the small cartilage mentioned p. 101 is shown in place
(in the bend of the nasal passage), the mucous membrane to a limited extent having been removed.

Fig. 3. Diagram of the isolated intermaxillary bone of an ordinary Mammal seen from the medial side.
The white flats in this and the following figure are those parts of the bone where it has met the other intermaxillary
(inferior part) or the nasal bone (the superior white flat). On the upper (posterior) side of the pars
dentalis and of the processus palatums (comp. the text p. 87—88) is seen the furrow into which the margin
of the cartilaginous septum is let in.

Fig. 4. The same of the Elephant The processus palatinus has vanished, the pars dentalis has been much
elongated, the anterior surface of it having become much extended and hollowed out; on the hind side of it
is seen the furrow for the margin of the cartilaginous septum.

Fig. 5. Sketch of the anterior part of the head of Phoea vitulina, the skin having been removed (only
left on the snout). Seen from above. To illustrate the upwards turned eyes.

Fig. 6. Head of Dipus cegyptiacus, seen from above, dissected in the same way. To illustrate the laterad
directed eyes.