CONTENTS. Vll 



CHAPTER LIV. page. 



Geology op Belmont County (Southern half). By E. B. Andrews 543-569 



CHAPTER LV. 

 Geology op Mokbob County. By E. B. Andrews 570-587 



CHAPTER LVI. 

 Geology op Pickaway and Faibpield Counties. By E. B. Andrews 588-608 



CHAPTER LVII. 

 Geology op Pike County. By Edward Orton 611-641 



CHAPTER LVIII. 

 Geology op Ross County. By Edward Orton 642-658 



CHAPTER LIX. 

 Geology op Gbeene County. By Edward Orton 659-696 



