LOCALITIES. 267 



338w [Hall, 1847, p. 4]. Upper Cambrian: Potsdam eandstone at Hammond, St. Lawrence County, N. Y. 

 Lingulella (Lingulepis) acuminata. 



338x [U. S. National Museum]. Lower Cambrian: Limestone 0.5 mile (0.8 km.) soutb of Coila, just east of Cam-- 

 bridge, Cambridge quadrangle (U. S. G. S.), Washington County, N. Y. (C. D. Walcott, 1886). 

 Lingulella sp. 

 _A.crotreta sagittalis taconica. 



338y [U. S. National Museum]. Lower Cambrian: Limestone north of Eagle Mills, Bensselaer County, N. Y. 

 (T. N. Dale). 

 Acrotreta sagittalis taconica. 



338z [U. S. National Museum], Ordovician: Limestone on the north side of Bald Moimtain, about 2 miles (3.2 

 km.) northwest of Greenwich, Schuylerville quadrangle (U. S. G. S.), Washington County, N. Y. (F. H. 

 Moffit, 1902). 

 Acrothele pretiosa. 



339 [Sardeson, 1896, pp. 95 and 96]. Lower Ordovician: Oneota dolomite, Stillwater, Washington County, Minn. 

 ^Obolus dolatus. 



Orthis (Billingsella) pepina=Billingsella coloradoensis. 



339a [Sardeson, 1896, p. 95]. Upper Cambrian: St. Lawrence formation at Otisville, Washington County, Minn. 

 'Obolus (Westonia) aurora. 



339b [V. S. National Museum]. Upper Cambrian: "St. Croix sandstone" at Areola on St. Croix Kiver, 7 miles 

 (11.2 km.) above Stillwater, Washington County, Minn. 

 Lingulella winona. 



3390 [U. S. National Museum]. Upper Cambrian: Reeds Landing, foot of Lake Pepin, Wabasha County, Minn. 

 'Obolus (Westonia) aurora. 



339d [U. S. National Museum]. (See 82b; maybe same locality.) Upper Cambrian: "St. Croix sandstone" at 

 Taylors Falls, Chisago County, Minn. 

 ■Obolus matinalis. I Eoorthis remnicha sulcata. 



Lingulella similis. | Syntrophia primordialis. 



339e [U. S. National Museum]. Middle Cambrian: "St. Croix sandstone" on Mountain Island, Minnesota, in 

 Mississippi River, just above the mouth of Trempealeau River. (See p. 159.) 

 ^Lingulella ampla. 

 Dicellomus politus. 



339f [U. S. National Museum]. Upper Cambrian: "St. Croix sandstone" near Minneiska(Miniska), on Mississippi 

 River, near the line between Wabasha and Winona coimties, Minn. (F. M. Brown). 

 'Obolus matinalis. 

 Billingsella coloradoensis. 

 Finkelnb\u:gia finkelnburgi. 



339g [TJ. S. National Museum]. Upper Cambrian: "St. Croix sandstone " just below the beds with DiJcellocephalus 

 minnesotensis near Winona, Winona County, Minn. 

 Billingsella coloradoensis. I Finkelnburgia osceola corrugata. 



Finkelnburgia osceola. | Syntrophia primordialis. 



339h (references follow species). Upper Cambrian: "St. Croix sandstone " near the mouth of Minneiska (Miniska) 

 River, near the line between Wabasha and Winona counties, Minn. 

 Obolus matinalis [Hall, 1863, p. 130]. 

 Lingulella (Lingulepis) acuminata [Hall, 1863, p. ISO]. 

 Orthis pepina [Hall, 1863, p. 135]=Billingsella coloradoensis. 



339i [Owen, 1852, desc. of PL IB]. Middle Cambrian: Sandstones of Fib of Owen's section, below Mountain 

 Island, in Mississippi River, nearly opposite the old mouth of Black River, southeastern Minnesota. (See 

 p. 159.) 

 *Diceliomus politus. 



339j [U. S. National Museum]. Middle Cambrian: Sandstone between the lowest blue shale and the reddish 

 calcareous beds above, at Taylors Falls, Chisago County, Minn. (Chas. Schuchert). (See p. 159.) 

 Lingulella (Lingulepis) acuminata. 



339k [U. S. National Museum]. Middle Cambrian: Sandstone near Winona, Winona County, Minn. (See p. 159.) 

 Lingulella (Lingulepis) acuminata. 



340 [U. S. National Museum]. (See 5f.) Middle Cambrian: Limestone in Meagher County, on the road to Wolsey, 



about 1 mile (1.6 km.) below the divide and 13 miles (21 km.) south of Neihart, Little Belt Mountains 

 quadrangle (U. S. G. S.), Cascade County, Mont. (W. H. Weed, F. B. Weeks, and C. D. Walcott, 1895). 

 Micromitra pealei. 



