175 



x W. The corresponding |rt of the left side of the same Ckelone. 



-:l \ The seventh costal plate of the right side of the carapace, connate with thr 

 plcurapophysis of the eighth dorsal vertebra, of the same Ckflone. 



S3 5. The corresponding parts of the left side of the same Ckelont. 



^:W. The eighth costal plate of the right side of the carapace, connate with tin 

 plcurapophysia of the ninth dorsal vertebra, of the same Ckelone. 



S37. The corresponding parts of the left side of the same Ckdone. 



438. The right pleurapophysis of the tenth dorsal vertebra of the same Cketonr. 



889. The left pleurapophysis of the tenth dorsal, which might be regarded as a ' lum- 

 bar ' vertebra, of the same Ckelome. 



840. The right pleurapophysis of the first sacral vertebra of the same Ckdone. 



841. The left pleurapophysis of the first sacral vertebra of the same Ckflone. 



842. The right pleurapophysis of the second sacral vertebra of the same Ckelone. 



843. The left pleurapophysis of the second sacral vertebra of the same Ckelone. 



844. The first right marginal piece of the carapace of the same Ckelone. 



5 45. The first left marginal piece of the same Ckelone. 



546. The second right marginal piece of the carapace of the same CkeUme. 

 $47. The second left marginal piece of tlte carapace of the same Ckelone. 

 848. The third right marginal piece of the carapace of the same Ckelome. 

 S49. The third left marginal piece of the carapace of the same CkeUme. 

 850. The fourth right marginal piece of the carapace of the same Ckelome. 



