2. Anchylosed atlas and axis seen from the base of the vertebra. J.c.1, no. 8.
3. Anchylosed atlas and axis seen from above. J.c.1, no. 14.
4. Atlas, neural arch imperfect. J.c.1, no. 10.
5. Anchylosed atlas and axis seen from the side, the neural arch of the atlas is wanting. The light space in the centrum of the axis is the pneumatic foramen. J.c.1, no. 14.
6. Large cervical vertebra seen from below. J.c.2, no. 42, p. 65.
7. Small cervical vertebra seen from below. J.c.2, no. 43.
8. Cervical vertebra seen from behind. J.c.2, no. 5.
9. Cervical vertebra seen from above. J.c.2, no. 23.
10. Cervical vertebra seen from the left side. J.c6.27.1, no. 4.