11. Cervical vertebra of another genus seen from the left side. J.c.2, no. 13.
12. Base of the centrum of the last true cervical vertebra. J.c.2, no. 40.
13. Right side of cervical vertebra. J.c.2, no. 7.
PLATE X.
Back and Tail Vertebræ.
Fig. 1. Centrum of a vertebra from the region between the neck and the back, called pectoral. J.c.3, no. 19, p. 69.
2. Dorsal vertebra seen from below. J.c2.12.3, no. 2.