82 The Middle Devonian Deposits of Maryland 



Total 

 Thick- thick- 

 noss. ness. 



No. 4. Bluish-gray shales with a band of calcareous sand- 

 stone near the top. This zone is fossiliferous. Average dip 60° 

 E. Strike N. 35° E 260 260 



The shales in the small run at the east end of Hancock, just east 

 of the Catholic Church furnished the following species: OrM- 

 culoidea sp., Stropheodonta (Leptostrophia) perplana (Conrad), 

 Chonetes mucronatus Hall, Chonetes coronatus (Conrad), Cho- 

 netes scitulus Hall, Chonetes setiger (Hall), Chonetes lepidus Hall, 

 Camarotoechia congregata (Conrad), Tropidoleptus carinatus (Con- 

 rad), Cyrtina hariiiltonensis Hall, Spirifer mucronatus (Conrad), 

 Spirifer granulosus (Conrad), Spirifer audaculus (Conrad), Spiri- 

 fer tullius Hall, Ambocoelia umhonata (Conrad), Orthonota un- 

 dulata Conrad, Pie iirotom aria capillaria Conrad, Bellerophon sp. 



The following species were collected by Dr. Eowe on the road from 

 Hancock to Harrisonville about 2 miles north of Hancock in the southern 

 part of Fulton County, Pa. : Stropheodonta (Leptostrophia) perplana 

 (Conrad), Stropheodonta demissa (Conrad), Stropheodonta of. concava 

 Hall (small specimen), Schuchertella sp., Chonetes mucronatus Hall, 

 Chonetes coronatxis (Conrad), Chonetes scitulus Hall, Chonetes setiger 

 (Hall), Camarotoechia congregata (Conrad), Tropidoleptus carinatus 

 (Conrad), Cyrtin-a hamiltonensis Hall, Spirifer mucronatus (Conrad), 

 Spirifer granulosus (Conrad), Spirifer audaculus (Conrad), Spirifer 

 tullius Hall, Grammysia cf. circularis Hall, Nucula corhuliformis Hall, 

 Palaeoneilo rott^ei Prosser, Palaeoneilo marylandica Prosser, Parallelodon 

 hamiltoniae (Hall), Pterinea flabellum (Conrad), Aviculopecten prin- 

 ceps (Conrad), Modiomorpha concentrica (Conrad), Modiomorpha my- 

 tiloides (Conrad) (?), Goniophora hamillonensis Hall, Pholadella ra- 

 diata (Conrad), Cypricardella tenuistriata (Hall), Paracyclas lirata- 

 Conrad, Pleurotomaria (Bembexia) sulcomarginata Conrad, Pleuroto- 

 maria capillaria Conrad, Cyclonema hamiltoniae Hall, Platyceras erectum 

 Hall ( ?), llomalonotus dekayi (Green). 



The following species were collected in the cut on the Baltimore and 

 Ohio Railroad at Hancock station, on the West Virginia side of the 

 Potomac Eiver: Stropheodonta {Leptostrophia) perplana (Conrad), 

 Chonetes mucronatus Hall, Spirifer granulosus (Conrad), Spirifer aiida- 



