LOCALITIES. 221 



103a (immediately underlying 103b). (For stratigraphic position and association, see p. 147.) Middle Cambrian: 

 Upper part of the second shale south of the ridge of sandstone in the Rome formation ("Town Knobs"), 

 on the road from Rogersville to Dodson Ford, near the line between the Morristown and Greeneville 

 quadrangles (U. S. G. S.), Hawkins County, Tenn. (R. R. Gurley, 1887). 



OboluB lamborni minimus. 



Dicellomus appalachia. 



103b (immediately overlying 103a). (For stratigraphic position and association, see p. 147.) Middle Cambrian: 



Third limestone (100 yards (90 m.) down the road toward the river from 103a) south of the ridge of sandstone 



in the Rome formation ("Town Knobs "), on the road from Rogersville to Dodson Ford, near the line between 



the Morristown and Greeneville quadrangles (U. S. G. S.), Hawkins County, Tenn. (R. R. Gurley, 1887). 



Lingulella desiderata. 



104. (For stratigraphic position and association, see p. 147.) Middle Cambrian: Shale in railroad cut 0.5 mile 

 (0.8 km.) from Rogersville, on the road to Holston River, near the line between the Morristown and Greene- 

 ville quadrangles (U. S. G. S.), Hawkins County, Tenn. (R. R. Guriey, 1887). 



Dicellomus appalachia. 



105. (For stratigraphic position and association, see p. 147.) Upper Cambrian: Limestone in Knox dolomite at 

 Bishops mill, Hancock County, Tenn. (Ira Sayles, 1884). 



Lingulella (Lingulepis) acuminata. 



lost. (For stratigraphic position and association, see p. 153.) Lower Ordovician: Thin-bedded bluish-gray lime- 

 stone [Walcott, 1908f, p. 173, and Pis. XIII and XIV], at the summit of Notch Peak, House Range, Millard 

 County, Utah (C. D. Walcott, F. B. Weeks, and L. D. Buriing, 1905). 



*Obolus (Westonia) notchensis. 



Eoorthis desmopleura. 



Raphistoma sp. 



lOSx. (For stratigraphic position and association, seep. 148.) Middle Ordovician: Gray siliceous shales just below 

 a band of quartzitic sandstones probably corresponding in position to the upper part of the Simpson forma- 

 tion of the Oklahoma section, in Wasatch Canyon, east of Lakeview ranch, about 5 miles (8 km.) north of 

 Brigham, Boxelder County, Utah (F. B. Weeks and L. D. Burling, 1905). 

 *Obolus (Westonia) elongatus. 



106. (For stratigraphic position and association, see p. 147.) Middle Cambrian: Shales of the Rome formation on 

 the roadside at the eastern base of Shocks Gap, in Bays Mountains, 10 miles (16.1 km.) southeast of Knoxville 

 [see Keith, 1895, areal geology sheet], Knox County, Tenn. (Cooper Curtice, 1885). 



Lingulella similis. 



106a. (For stratigraphic position and association, see p. 147.) Middle Cambrian: Reddish-brown shales in middle 

 of valley east of Shooks Ridge, in Bays Mountains, 10 miles (16.1 km. ) southeast of Knoxville, Knox County, 

 Tenn. (Cooper Curtice, 1885). 

 Obolus willisi. 



107 (just above 107a). (For stratigraphic position and association, see p. 147.) Middle Cambrian: Limestone in 

 Bull Run, northwest of Copper Ridge [Keith, 1896b, areal geology sheet], 11 miles (17.6 km.) northwest of 

 Knoxville, Knox County, Tenn. (Cooper Curtice, 1885). 



Dicellomus appalachia. 



Wimanella harlanensis. 



107a (just below 107, above 107b). (For stratigraphic position and association, see p. 147.) Middle Cambrian: 

 Shales in railroad cut in Bull Run, northwest of Copper Ridge [Keith, 1896b, areal geology sheet], 11 miles 

 (17.6 km.) northwest of Knoxville, Knox County, Tenn. (Cooper Curtice, 1885). 



Obolus willisi. 



Lingulella desiderata ?. 



107b (below 107a). (For stratigraphic position and association, see p. 147.) Middle Cambrian: Shales and sand- 

 stones of the Rome formation in railroad cut in Bull Run, northwest of Copper Ridge [Keith, 1896b, areal 

 geology sheet], 11 miles (17.6 km.) northwest of Knoxville, Knox County, Tenn. (Cooper Curtice, 1885). 



Obolus willisi. I Dicellomus appalachia. 



Lingulella?. | Linnarssonella tennesseensia. 



