LOCALITIES. 195 



32x (=54k faunally). (Forstratigi'aphic position and association, see p. 150.) Middle Cambrian: About 1,700 feet 



(518.2 m.) above the Brigham quartzite [Walcott, 1908a, p. 8], in shales correlated with the shales forming 



2d of the Bloomington formation in Blacksmith Fork Canyon [Walcott, 190Sf, p. 195], Wasatch Canyon, 



east of Lakeview ranch, 5 miles (8 km.) north of Brigham, Boxelder County, Utah (L. D. Burling, 1905). 



Obolus (Westonia) wasatchensis. 



32y. (For stratigraphic position and association, see p. 151.) Middle Cambrian: Shales about 175 feet (53.3 m.) 

 above the Brigham quartzite [Walcott, 1908a, p. 8], in the Wasatch Mountains, 1 mile (1.6 km.) northwest 

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

 Obolus (Westonia) ella. 



32z (below 32h at saine locality). (For stratigraphic position and association, seep. 157.) Middle Cambrian: Shales 

 in a canyon on the west side of the Simpson Range, 4 miles (6.4 km.) south of Simpson Spring, about 20 miles 

 (32.2 km.) west-southwest of Vernon, Tooele County, Utah (F. B. Weeks and L. D. Burling, 1905). 

 Obolus (Westonia) ella. 



33 (see 338c). Lower Cambrian: Limestone on the roadside near Rock Hill schoolhouse, near North Greenwich, 

 about 5 miles (8 km.) north-northeast of Greenwich, Cambridge quadrangle (U. S. G. S.), Washington 

 County, N. Y. (C. D. Walcott, 1886). 



Botsfordia ceelata. 

 Acrotreta sagittalis taconica. 

 Billingsella salemensis. 

 Archaeocyathus dwighti Walcott. 

 Hyolithellus micans (Billings). 

 Hyolithes americanus Billings. 

 Hyolithes communis Billings. 

 Hyolithes impar Ford. 

 Stenotheca elongata Walcott. 



Stenotheca rugosa (Hall). 

 Microdiscus lobatus (Hall). 

 Microdiscus speciosus Ford. 

 Elliptocephala asaphoides Emmons. 

 Zacanthoides eatoni Walcott. 

 Ptychoparia cf. adamsi (Billings). 

 Protypus clavatus Walcott. 

 Solenopleura tumida Walcott. 



33b. Lower Cambrian: Limestone, 1.5 miles (2.4 km.) east-southeast of North Greenwich, about 5 miles (8 km.) 

 north-northeast of Greenwich, Cambridge quadrangle (U. S. G. S.), Washington County, N. Y. (C. D. 

 Walcott, 1886). 



Botsfordia cselata. 

 Hyolithellus micans (Billings). 

 Hyolithes communis Billings. 



Microdiscus lobatus (Hall). 

 Microdiscus speciosus Ford. 

 Elliptocephala asaphoides Emmons. 



33d (same horizon as 15d). (For stratigraphic position and association, see p. 154.) Upper Cambrian: Thin-bedded 

 blue limestone at the base of the first high point southwest of the J. J. Thomas ranch, on the east side of the 

 Fish Spring Range, Juab County, ITtah (L. D. Burling, 1905). 



Obolus mcconnelli pelias. Schizambon typicalis. 



Obolus rotundatus. Acrotreta marjumensis. 



Lingulella isse. 



33f . (For stratigraphic position and association, see p . 157 . ) Middle Cambrian : Shales about 400 feet (122 m. ) above 

 the Cambrian quartzitic sandstones on the western slope of the high peak southwest of Lookout Pass, Onaqui 

 Range, west of Vernon, Tooele County, Utah (L. D. Burling, 1905). 



*Obolus (Westonia) ella onaquiensis. 



Obolus (Westonia) cf. ella onaquiensis. 



33i. (For stratigraphic position and association, see p. 158.) Lower Cambrian: About 100 feet (30.5 m.) above the 

 Prospect Mountain quartzite, in the shale of the Pioche formation [Walcott, ]908f, p. 171], 0.25 mile (0.4 km.) 

 below the Maxfield mine, Big Cottonwood Canyon, west front of the Wasatch Mountains southeast of Salt 

 Lake City, Salt Lake County, Utah (L. D. Burling, 1905). 

 Obolus (Westonia) ella. 



33j. (For stratigraphic position and association, see p. 149.) Middle Cambrian: Shale about 2,300 feet (701 m.) 

 above the Brigham quartzite [Walcott, 1908a, p. 8], in Wasatch Canyon, east of Lakeview ranch, 5 miles 

 (8 km.) north of Brigham, Boxelder County, Utah (L. D. Burling, 1905). 

 Obolus (Westonia) wasatchensis. 



331. (For stratigraphic position and association, see p. 153.) Upper Cambrian: Limestones in pass between the 

 Pavant Mountains and the Canyon Range, a few hundred yards east of the divide, on the road between 

 Holden and Scipio, Millard County, Utah (L. D. Burling, 1905). 



Eoorthis desmopleura. 



Solenopleura. 



lUeenurus. 



