PLATE XV. 
PAGE 
Figs. 1-5. Rhabdosteus latikadix Cope 24 
1. Lower view of rostrum. Charles County near the Patuxent River. 
Acad. Nat. Soi., Phila. x Vs 
2. Upper view of another rostrum. Same locality and collection. 
3a. Tooth from the anterior portion of the rostrum. x % 
3b. Another view of the same tooth. x 1/3 
4a. Another tooth. Same locality and collection. X % 
4b. Another view of the same tooth. X 1/3 
5. Another tooth. Same locality and collection. x % 
