LOCALITIES. 215 



79. Upper Cambrian: "St. Croix sandstone" in bluff near Hudson, St. Croix County, Wis. (L. C. Woo^^er, 1883). 



Lingulella winona convexa. 

 Lingulella (Lingulepis) acuminata. 

 Billingsella coloradoensis. 

 Ptychoparia wisconsinensis (Owen). 



Obolus mat.inalis. 

 *Obolus mickwitzi. 

 Obolus (Westonia) aurora. 

 Lingulella mosia. 

 Lingulella winona. 



79' (=79, though from a slightly different horizon). (Chas. Schuchert, 1893.) 

 Obolus matinalis. 

 Obolus mickwitzi. 



79a. LTpper Cambrian: "St. Croix sandstone," quarry and ledge 0.5 mile (0." km.) southeast of the county 

 courthouse, Menomouie, Dunn County, Wis. (L. C. Wooster, 1883). 



Lingulella winona convexa. 

 *Protorthis Isevis. 

 Billingsella coloradoensis. 



Eoorthis sp. 

 Finkelnburgia osceola. 



79b. Upper Cambrian: "St. Croix sandstone" in shaly beds 4 feet (1.2 m.) above the water, near Hudson, St. 

 Croix County, Wis. (J. F. James, 1889). 

 Obolus matinalis. I Lingulella (Lingulepis) acuminata. 



Obolus mickwitzi. I Finkelnburgia osceola. 



79s. Upper Cambrian: "St. Croix sandstone" in bluff near Hudson, St. Croix County, Wis. (C. Schuchert, 

 1893). 

 Lingulella mosia. 

 Dicellomus politus. 



79x. Middle Cambrian: "St. Croix sandstone" near the flour mill on Beaver Creek, north of Galesville, Trem- 

 pealeau County, Wis. (Cooper Curtice, 1882; L. C. Wooster, 1883). (See p. 159.) 

 Lingulella (Lingulepis) acuminata. 

 Dicellomus politus. 



80. Upper Cambrian: "St. Croix sandstone" 0.66 mile (1.1 km.) southwest of the railway depot, Menomonie, 

 Dunn County, Wis. (L. C. Wooster, 1883). 

 Lingulella ampla. | Dicellomus politus. 



Lingulella winona convexa. | Finkelnburgia osceola. 



80a. Upper Cambrian: "St. Croix sandstone" 4 miles (6.4 km.) north of Reedsburg, Sauk County, Wis. (L. C. 

 Wooster, 1883). 



Lingulella similis. 

 Billingsella coloradoensis. 

 *Eoorthis remnicha. 



Eoorthis remnicha sulcata. 

 Finkelnburgia osceola. 



81. Upper Cambrian: "St. Croix sandstone" 1 mile (1.6 km.) east-northeast of Devils Lake, Sauk County, Wis. 

 (L. C. Wooster, 1883). 

 Finkelnbm-gia finkelnburgi. 



81b. Upper Cambrian: "St. Croix sandstone" near Devils Lake, Sauk County, Wis. (Cooper Curtice, 1884). 

 Obolus (Westonia) stoneanus. I Finkelnburgia finkelnbm-gi. 



*Eoorthis diablo. I Syntrophia barabuensis. 



81o. Upper Cambrian: "St. Croix sandstone" on the railroad track below the Cliff House, Devils Lake, Sauk 

 County, Wis. (J. F. James, 1889). 

 Syntrophia barabuensis. 



83 (see 82s). Upper Cambrian: "St. Croix sandstone" on the bank of St. Croix River, at St. Croix Falls, Pollc 

 County, Wis. (L. C. Wooster, 1883). 

 Lingulella (Lingulepis) acuminata. 



82a. Upper Cambrian: "St. Croix sandstone" 25 feet (7.6 m.) above the water level, near the Knapp, Stout and 

 Company's buildings, Menomonie, Dunn County, Wis. 

 Obolus matinalis. 

 Lingulella phaon. 



82b (see 339d; may be same locality). Upper Cambrian: "St. Croix sandstone" along the railroad track near 

 Taylors Falls, Chisago County, Minn. (W. A. Finkelnburg). 

 *Curticia elegantula. 

 Obolus matinalis. 

 Dicellomus politus 



