222 CAMBKIAN BBACHIOPODA. 



107o (just above 107u). (For stratigraphic position and association, see p. 147.) Upper Cambrian: Limestones and 

 shales at the base of the Knox dolomite west of the top, of Copper Ridge, uear the Southern Railway cut. 

 about 10 miles (16.1 km.) northwest of Knoxville [see Keith, 1896b, areal geology sheet], Knox County, Tenn, 

 (Cooper Curtice, 1885). 



Lingulella desiderata. 



Lingulella (Lingulepis) acuminata. 



Acrotreta kutorgai. 



107u (just below 107o). (For stratigraphic position and association, see p. 147.) Upper Cambrian: Limestones and 

 shales at the base of the Knox dolomite west of the top of Copper Ridge, near the Southern Railway cut; 

 about 10 miles (16.1 km.) northwest of Knoxville [see Keith', 1896b, areal geology sheet], Knox County, Tenn. 

 (Cooper Curtice, 1885). 



Lingulella desiderata?. .,, 



Acrotreta kutorgai. 



108. Upper Cambrian: Sandstone 1 mile (1.6 km.) south of Poughkeepsie, Dutchess County, N. Y. (C. D. Walcott, 

 1886). 

 Lingulella (Lingulepis) acuminata. 



109 (see 367k). Upper Cambrian: Sandstone 25 feet (7.6 m.) above the Archean 1.5 miles (2.4 km.) south of 



Deweys Bridge, on the Champlain Canal, Washington County, N. Y. (C. D. Walcott, 1886). 

 Lingulella (Lingulepis) acuminata. 



110 (just below 110a). Upper Cambrian: Shaly calcareous sandstone resting on massive layers of Potsdam sand- 



stone, east side of the town of ^Vhitehall, Washington County, N. Y. (C. D. Walcott, 1886). 

 Lingulella (Lingulepis) acuminata. 



110a (just above 110). Upper Cambrian: Sandstone on the east side of the town of M'hitehall, Washington County^ 

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

 Lingulella (Lingulepis) acuminata. 



111. Upper Cambrian: At the top of the Potsdam sandstone on Marble River, 1 mile (1.6 km.) south of Chateaugay,. 

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

 Lingulella (Lingulepis) acuminata. 



113. Upper Cambrian: "St. Croix sandstone" at La Grange Mountain (or Barn Bluff), near Red Wing, Goodhue 

 County, Minn. (Cooper Curtice, 1884). 

 Lingulella mosia. 

 Lingulella winona. 



114 (above 114a). (For stratigraphic position and association, see p. 140.) Upper Cambrian: Upper sandstone- 

 beds on Little Belle Island, Conception Bay, Newfoundland (C. D. Walcott, 1888). 

 Lingulella bella. 

 Lingulella bellula. . 



114a (below 114). (For stratigraphic position and association, see p. 140.) Upper Cambrian: Sandy shales under- 

 lying beds of Locality 114, Little Belle Island, Conception Bay, Newfoundland (C. D. Walcott, 1888). 

 Lingulella bella. 

 *Lingulella bellula. 



114b. (For stratigraphic position and association, see p. 140.) Lower Ordovician: Sandstone 1 mile (1.6 km.)- 

 north of Lance Cove, Great Belle Island, Conception Bay, Newfoundland (C. D. Walcott, 1888). 

 *Obolus (Lingulobolus) affinis. I Obolus (Westonia) rogersi. 



*Obolus (Lingulobolus) spissus. I *Lingulella bella. 



116. Upper Cambrian: "St. Croix sandstone" in excavation on Wells farm, 2 miles (3.2 km.) west of Baraboo,. 

 Baraboo quadrangle (U. S. G. S.), Sauk County, Wis. 



*Billingsella major. 



117. (For stratigraphic position and association, see p. 147.) Middle Cambrian: Shales on the road north from 

 Greeneville, Greene County, Tenn. (Cooper Curtice, 1886). 



Lingulella desiderata. 



117c. (For stratigraphic position and association, see p. 147.) Middle Cambrian: Shale at Buckingham Ford on 

 HoUis Creek, 5 miles (8 km.) southeast of Greeneville, Greene County, Tenn. (Cooper Curtice, 1886). 

 Dicellomus appalachia. 



