174 



817. The centrum of the second sacral vertebra of the same Chelone. 



818. The neurapophyses of the second sacral vertebra of the same Chelone. 



819. A chain of nineteen caudal vertebrae of the same Chelone. 



820. The right pleurapophysis of the first dorsal vertebra of the same Chelone. 



821. The left pleurapophysis of the first dorsal vertebra of the same Chelone. 



822. The first costal plate of the right side of the carapace, connate with the pleur- 



apophysis of the second dorsal vertebra, of the same Chelone. 



823. The corresponding parts of the left side of the same Chelone. 



824. The second costal plate of the right side of the carapace, connate with the 



pleurapophysis of the third dorsal vertebra, of the same Chelone. 



825. The corresponding parts of the left side of the same Chelone. 



826. The third costal plate of the right side of the carapace, connate with the pleur- 



apophysis of the fourth dorsal vertebra, of the same Chelone. 



827. The corresponding parts of the left side of the same Chelone. 



828. The fourth costal plate of the right side of the carapace, connate with the pleur- 



apophysis of the fifth dorsal vertebra, of the same Chelone. 



829. The corresponding parts of the left side of the same Chelone. 



830. The fifth costal plate of the right side of the carapace, connate with the pleur- 



apophysis of the sixth dorsal vertebra, of the same Chelone. 



831. The corresponding parts of the left side of the same Chelone. 







832. The sixth costal plate of the right side of the carapace, connate with the pleur- 



apophysis of the seventh dorsal vertebra, of the same Chelone. 



