LOCALITIES. 233 



302d [0. S. National Museum]. Upper Cambrian: Limestone 200 yards (183 m.) north of the southwest comer of 

 sec. 18, T. 28 N., R. 113 W., Uinta County, Wyo. (E. E. Smith). 

 Obolus matinalis. 

 Obelus sinoe. 

 Eoorthis iddingsi. 



302e [U. S. National Museum]. Upper Cambrian: Limestone near the top ol the Deadwood formation in Big 

 Popo Agie Canyon, near Lander, Fremont County, Wyo. (N. H. Darton). 

 Eoorthis wichitaensis. 



302f [U. S. National Museum]. Upper Cambrian: Upper part of the Gallatin formation, north side of Elk Pass, 

 between Buffalo and Slough creeks, Yellowstone National Park, Livingston quadrangle (U. S. G. S.), 

 Mont. 



Billingsella coloradoensis. 



Otusia sandbergi. 



302g [U. S. National Museum]. Upper Cambrian: Limestone on the north slope of Crowfoot Ridge, south of the 

 Gallatin Valley, Gallatin quadrangle (U. S. G. S.), Yellowstone National Park, Wyo. 

 Billingsella coloradoensis. 



302h [U. S. National Museum]. Upper Cambrian: Limestone on the divide between Panther Creek and 

 Gallatin River, Gallatin quadrangle (U. S. G. S.), Yellowstone National Park, Wyo. 

 Billingsella coloradoensis. 



• 302j [U. S. National Museum records]. Lower Ordovician: Limestone on the east side of West Gallatin (Gallatin) 

 River, above Gallatin, Gallatin County, Mont. 



„„, , ,, ^ ' . ^These species may not be from the same exact locality. 



"Clarkella montanensis.j 



302k [U. S. National Museum]. Middle Cambrian: Limestone near Gallatin, Threeforks quadrangle (U. S. 

 G. S.), Gallatin County, Mont. 

 Dicellomus politus. 



3021 [U. S. National Museum]. Middle Cambrian: Limestone in the Gallatin Range, Yellowstone National Park, 

 Wyo. 

 *Lingulella desiderata. 



302m [U. S. National Museum]. Middle Cambrian: Middle of shale above lower sandstone on Billy Creek, in the 

 Bighorn Mountains, Sheridan County, Wyo. (N. H. Darton, 1902). 

 Lingulella (Lingulepis) acuminata. 

 Dicellomus nanus. 



302n [U. S. National Museum]. Upper Cambrian: Limestone on the south side of the Gallatin Valley, Gallatin 

 County, Mont. 

 Eoorthis remnicha. 



302o [U. S. National Museum]. Middle Cambrian: Sandstones just above the granite west of Garfield Peak, 50 

 miles (80.5 km.) west of Casper, Natrona County, Wyo. (N. H. Darton). 

 *Obolus (Westonia) dartoni. 



302p [U. S. National Museum]. Upper Cambrian: Middle limestone of the Deadwood formation near the summit 

 of the Owl Creek Mountains, 18 miles (29 km.) southwest of Thermopolis, Fremont County, Wyo. (N. H. 

 Darton). 



Billingsella coloradoensis. 



Huenella abnormis. 



Ptychoparia. 



302q [U. S. National Museum]. Upper Cambrian: About 1,000 feet (305 m.) above the quartzitic sandstones in 

 the " Yogo limestone (Devono-Silurian) " of W. H. Emmons [1907, p. 34], on Rock Creek, Phillipsburg quad- 

 rangle (U. S. G. S.), Granite County, Mont. (E. M. Kindle, 1907). 

 Billingsella coloradoensis. 



302r [U. S. National Museum]. Upper Cambrian: About 1,000 feet (305 m.) above the quartzitic sandstones in 

 the "Yogo limestone (Devono-Silurian) " of W. H. Emmons [1907, p. 34], near Princeton, Phillipsburg quad- 

 rangle (U. S. G. S.), Granite County, Mont. (E. M. Kindle, 1907). 



Obolus cf. discoideus. I Agraulos. 



Billingsella coloradoensis. 1 Anomocare. 



Cyrtolites. 



