LOCAI.ITIES. 171 



7k (see 31 and 333b). (For stratigraphic position and association, see p. 158.) Middle Cambrian: Shales in the 

 dumps of the Half-moon and Chisholm mines, southwest slope of Ely Mountains, 3 miles (4.8 km.) north- 

 west of Pioche, Lincoln County, Nev. (J. E. Spun-, 1899). 

 OboluB (Westonia) ella. 



7n. Upper? Cambrian: Limestone at Hornet Spring in the Spring Mountain Range, on the road from Indian Spring 

 to Pahrump Valley, Lincoln County, Nev. (J. E. SpuiT, 1899). 

 *Obolus sp. undt. b. 



7r (see 7s and 7v). Middle Cambrian: Calcareous shales 4 miles (6.4 km.) south-southeast of Emigrant Peak, 

 Silver Peak quadrangle (U. S. G. S.), Esmeralda County, Nev, (H. W. Turner, 1899). 

 Obolus mcconnelli decipiens. 

 *Acrothele turneri. 



7s (see 7r and 7v). Upper Cambrian: Shales of the Emigrant formation [Turner, 1902, p. 265], 4 miles (6.4 km.) 

 south-southeast of Emigrant Peak, Silver Peak quadrangle (U. S. G. S.), Esmeralda County, Nev. (H. W. 

 Turner, 1899). 

 Obolus mcconnelli pelias. 



7v (see 7r and 7s). Upper Cambrian: Shales of the Emigrant formation [Turner, 1902, p. 265], 4.25 miles (6.8 km.) 

 south-southeast of Emigrant Peak, Silver Peak quadrangle (U. S. G. S.), Esmeralda County, Nev. (H. W. 

 Turner, 1899). 



"*Obolus mcconnelli decipiens. 



Acrotreta argenta. 



7w. (For stratigraphic position and association, see p. 156.) Middle Cambrian: Limestone in Rock Canyon in the 

 Wasatch Mountains, east of Provo, Utah County, Utah (G. H. Girty, 1900). 

 "^Nisusia (Jamesella) utahensis. 

 Dorypyge?. 



7x (=7y; 50 feet below 8a). Upper Cambrian: limestone of the Emigrant formation [Turner, 1902, p. 265], about 

 2.5 miles (4 km.) southeast of Emigrant Pass, Silver Peak quadrangle (U. S. G. S.), Esmeralda County, 

 Nev. (F. B. Weeks, 1900). 



Lingulella (Lingulepis) acuminata. 

 Acrotreta argenta. 

 Menocephalus sp. 



Acrotreta argenta. 

 Menocephalus. 



Obolus mcconnelli decipiens. 

 * Obolus (Fordinia) bellulus. 

 Lingulella desiderata. 



7y (=7x, which see). (F. B. Weeks, 1900.) 

 Obolus (Fordinia) bellulus. 

 Lingulella desiderata. 

 Xingulella (Lingulepis) acuminata. 



7z. Upper Cambrian: Limestone of the Emigrant formation [Turner, 1902, p. 265], about 3 miles (4.8 km.) south- 

 east of Emigi-ant Pass, Silver Peak quadrangle (U. S. G. S.), Esmeralda County, Nev. (F. B. Weeks, 1900). 

 Obolus (Fordinia) bellulus. 

 Lingulella desiderata. 

 Lingulella (Lingulepis) acuminata. 



8a (50 feet above 7x). Upper Cambrian: Shaly limestones of the Emigrant formation [Turner, 1902, p. 265], 

 2 miles (3.2 km.) southeast of Emigrant Pass, Silver Peak quadrangle (U. S. G. S.), Esmeralda County, 

 Nev. (F.B. Weeks, 1900). 

 Obolella?. 



8b. Lower Cambrian: Limestone in ToUgate Canyon, about 15 miles (24.1 km.) east of A^Tiite Pine, White Moun- 

 tain Range, Inyo County, Cal. (C. D. Walcott, 1894). 

 Kutorgina sp. 

 Obolella vermilionensis. 

 *Wimanella inyoensis. 



8b'. Upper Cambrian: Shales of the Emigrant formation [Turner, 1902, p. 265], in a ravine on the east side of 

 the road about 1 mile (1.6 km.) southwest of Emigrant Pass, Silver Peak quadrangle (U. S. G. S.), Esmeralda 

 County, Nev. (F. B. Weeks, 1900). 

 "* Acrotreta argenta. 



8d (see 372). (For stratigraphic position and association, see p. 131.) Upper Cambrian: Shales at Upper Leitches 

 Creek, eastern Cape Breton, Nova Scotia (S. W. Loper, I'JOO). 

 Xiingulella concinna. 



