454 The Upper Devonian Deposits of Maryland 



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Productella speciosa, Spirifer mesastrialis common, 

 S. mucronatus var. posterus, Nucula corbuliformis Palwo- 

 neilo brevis, Bcllerphon sp. small resembles clarki 110 ?! 



At the beginning of the section are found: Cyrtina hani- 

 iltonensis, Liorhynchus gloiuliforme abundant, Pugnax 

 pugnus var. altus, Spirifer mucronatus var. posterus 



The lower part of the section is so complicated by minor folding that 

 the measurements of it are deemed untrustworthy and are not employed. 

 The bed containing Camarotoechia congregata var. parhheadensis, oc- 

 curring 152G feet from the beginning of the section, is selected as a 

 datum plane and is placed 1600 feet above the base of the Jennings, 

 approximately at the horizon at which it occurs in the section east of 

 Berkeley Springs. The Liorhynchus glohulifornie zone of the Ithaca 

 fauna is very fossiliferous at this locality. A conspicuous feature of the 

 section is the brilliant red bed of Catskill-like sediments that occurs just 

 below tiie Camarolaahia congregaia var. parkheadensis bed and which is 

 found in the same position in many of the sections as far west as Tonolo- 

 way. 



Sections were measured in the Hancock area at Berkeley Springs, 

 Hancock, on the Hancock-Harrisonville road and in Thompson Township, 

 Fulton County, Pennsylvania. 



III. Section East of Berkeley Springs ^ 

 The section described is exposed on the Yellow Springs Eun road, east 

 of Berkeley Springs, West Virginia, beginning at the Roraney-Jen- 

 nings contact, just west of the house of Mr. Ruppenhals, one-half mile 

 east of the village and extending eastward 3284 feet. It is admirably 

 exposed, free from minor folds, rich in fossils and is the most satisfactory 

 section for the correhition of the lower strata of the Jennings observed in 

 the eastern part of the area studied. 



' Measured by tape. 



