334 
PLATE XII 
Graptodictya fruiticosa n. sp. 
1. Longitudinal section x 18. 
2. Tangential section x 18. 
Pierce limestone. Walter Hill, Tenn. 
Graptodictya dendroidea n. sp. 
3. Tangential section x 18. 
4. Longitudinal section x 18. 
Pierce limestone. Walter Hill, Tenn. 
Rhinidictya tabulata n. sp. 
5. Longitudinal section x 20, 
6. Tangential section x 18. 
Pierce limestone. Murfreesboro, Tenn. 
