LOCALITIES. 201 



47h. Middle Cambrian: Shales on Wolf Creek, 6 miles (9.6 km.) below Rocky Gap, Bland County, Va. (M. R. 

 Campbell, 1893). 

 Dicellomus appalachia. 



48d. Middle Cambrian : Argillaceous shales in railroad cut alongside of gas house, city of York, York County, Pa. 

 (H. E. Dickhaut, 1901). 

 *Lingulella sp. undt. b. 

 *Acrothele yorkensis. 



49. Lower Cambrian; Sandstone on Codorus Creek 0.125 mile (0.2 km.) below Meyer's mill, near Emigsville, York 

 County, Pa. (Charles Schuchert, 1893). 

 Rustella edsoni?. i Nisusia festinata. 



Micromitra (Paterina) bella. Olenellus thompsoni crassimarginatus Walcott. 



*Yorkia wanneri. I 



49a. Lower Cambrian: Sandstone on the Liverpool road, south of the schoolhouse, 3 miles (4.8 km.) northwest of 

 York, York County, Pa. (Charles Schuchert, 1893). 

 Rustella edsoni. I Nisusia festinata. 



Yorkia wanneri. . I Olenellus thompsoni crassimarginatus Walcott. 



49b. Lower Cambrian: Sandstone in the continuation of the ridge mentioned in Locality 49c, 2 miles (3.2 km.) 

 northwest of Emigsville, York County, Pa. (C. D. Walcott, 1892). 

 Obolella minor. 

 Olenellus thompsoni (Hall). 



49c. Lower Cambrian: Sandstone in ridge just north of the railway station at Emigsville, York County, Pa. 

 (C. D. Walcott, 1892). 

 Obolella minor. 

 Olenellus thompsoni (Hall). 



49d. Lower Cambrian: Sandstone 3 miles (4.8 km.) east of Waynesboro, Franklin County, Pa. (C. D. Walcott, 

 1892). 

 Obolella minor. 

 Olenellus thompsoni (Hall). 



49e. Lower Cambrian: Sandstone 1 mile (1.6 km.) south of Mount Zion Church and 4 miles (6.4 km.) northeast 

 of York, York County, Pa. (C. D. Walcott, 1892). 

 Obolella minor. 

 Olenellus thompsoni (Hall). 



49f. Lower Cambrian: Sandstones of Mount Holly Gap, South Mountain, Cumberland County, Pa. (C. D. Wal- 

 cott, 1892). 

 Obolella minor?. 

 Hyolithessp. 

 Olenellus? sp. 



49w. Lower Cambrian: Limestone in railroad cut 0.25 mile (0.4 km.) south of Emigsville, York County, Pa. (C. D. 

 Walcott, 1892). 

 Micromitra (Paterina) bella. 

 Nisusia festinata. 



60. Lower Cambrian: Shaly limestones 1.125 miles (1.8 km.) north of Stoner, 10 miles (16.1 km.) east-northeast 

 of York, York County, Pa. (C. D. Walcott, 1892). 

 *Acrothele decipiens. 

 Olenellus. 



50a. Lower Cambrian: Sandstone 2 miles (3.2 km.) northwest of York, York County, Pa. (C. D. Walcott, 1892). 

 Obolella crassa?. 

 Olenellus sp. 



52. (For stratigraphic position and association, see p. 140.) Lower Cambrian: Arenaceous shales just above the 

 Prospect Mountain quartzite, in a stratigraphic position similar to that of the Pioche formation [Walcott, 

 1908f, p. 184], at the top of Prospect Mountain, Eureka district [Hague, 1892, Atlas], Eureka County, Nev. 

 (J. P. Iddings and C. D. Walcott, 1880). 



*Micromitra (Paterina) prospectensis. 

 Girvanella sp. 

 Scenella? conula Walcott. 

 Callavia nevadensis Walcott. 



Olenellus fremonti Walcott. 



Peachella iddingsi (Walcott). 



Dorypyge ? quadriceps (Hall and Whitfield). 



