330 



PLATE X 



Batostoma conferta n. sp . 



1 and 3. Longitudinal section x 18. 

 2. Tangential section x 18. 



Pierce limestone. Murfreesboro, Tenn. 



Batostoma inutilis n. sp . 



4. Longitudinal section x 18. 



5. Tangential section x 18. 



Pierce limestone. Murfreesboro, Tenn. 



Diplotrypa catenulata n. sp. 



6. Longitudinal section x 20. 



7. Tangential section x 20. 



Pierce limestone. ISIurfreesboro, Tenn. 



