PLATE XIV. 
PAGE 
Figs. 1, 2. IXACAiS'THUs COELOSPONDYLUS Cope 19 
1. Lower view of a lumbar. Charles County near the Patuxent River. 
Acad. Nat. Sci., Phila. x % 
2. Lateral view of a lumbar. Same locality and collection. x % 
Fig. 3. Zakhachis flagellatob Cope 20 
3. Lower view of a lumbar. Charles County near the Patuxent 
River. Acad. Nat. Sci., Phila. x % 
Fig. 4. Cetophis heteroclitus Cope 23 
4. Lateral view of a lumbar. Charles County near the Patuxent 
River. Acad. Nat. Sci., Phila. x % 
