COKTENTS 15 



PAGE 



Exposure on Salisbury Road 382 



Exposure on Pea Ridge 383 



Exposure on Green Glade Run 386 



Exposure on Ness Lick Road to Altamont 387 



Exposure North of Deer Park 3!)1 



Exposure Northeast of Oakland 393 



Exposure on Trout Run 306 



Exposure on Cherry Creek 307 



Exposure at Red House 398 



THE CATSKILL FORMATION 399 



Introductory 399 



Distribution of the Catskill Formation 401 



Exposures in Allegany County 401 



Exposure on Jennings Run 401 



Exposure on Braddock Run 403 



Exposures in Garrett County 404 



Exposure at Frankville and Crabtree 404 



Exposure on National Road West of Frostburg 406 



Exposure on Road over 4-Mile Ridge 408 



CORBELATION OF THE UpPPER DEVONIAN. BY C. K. Svi^ARTZ 410 



JENNINGS FORMATION 410 



Introductory 410 



Nature of the Problem 410 



Method of Solution 410 



Lithological and Faunal Sjibdivisions 411 



Genesee Black Shale Member 411 



Character and Thickness 411 



Fauna 412 



Romney-Genesee Boundary 412 



Woodmont Shale Member 412 



Character and Thickness 412 



Subdivisions 413 



Beds containing the Naples Fauna 413 



Beds containing the Ithaca Fauna 414 



Genesee- Woodmont Boundary 414 



Parkhead Sandstone Member 415 



Character and Thickness 415 



Fauna 415 



Subdivisions 416 



Woodmont-Parkhead Boundary 417 



Chemung Sandstone Member 417 



Character and Thickness 417 



Fauna 418 



Subdivisions 418 



Chemung-Parkhead Boundary 421 



Catskill-Chemung Boundary 422 



