258 CAMBRIAN BRACHIOPODA. 



323p (references follow species). (For stratigrapMc position and association, see p. 145.) Upper Cambrian: Etage 

 2b at Slemmestad, in Roken, about 3 miles (4.8 km.) southwest of Chiistiania, Norway. 

 Orusia lenticularis [U. S. National Museum and Brogger, 1882, p. 4]. 

 Parabolina spinulosa [Brogger, 1882, p. 4]. 



323q [Brogger, 1882, p. 101]. (For stratigraphic position and association, see p. 145.) Upper Cambrian: Etage 2b 

 at K^rtveit, in the Chiistiania region, Norway. 

 Orusia lenticularis. 

 Parabolina spinulosa. 



323r [Brogger, 1882, p. 4]. (For stratigraphic position and association, see p. 145.) Upper Cambrian: Etage 2b at 

 Ej-ekling, in Sandsvar, Norway 

 Orusia lenticularis. 

 Parabolina spinulosa. 



323s [Brogger, 1882, p. 4]. (For stratigraphic position and association, see p. 145.) Upper Cambrian: Etage 2b at 

 Gjogrefos, in Sandsvar, Norway. 

 Orusia lenticularis. 

 Parabolina spinulosa. 



323t [Brogger, 1882, p. 4]. (For stratigraphic position and association, see p. 145.) Upper Cambrian: Etage 2b in 

 Hedemarken, east of Lake Mjosen (Miosen), about 40 miles (64 km.) north-northeast of Christiania, Norway. 

 Orusia lenticularis. 

 Parabolina spinulosa. 



323u [Brogger, 1882, p. 4]. (For stratigraphic position and association, see p. 145.) Upper Cambrian: Etage 2b 

 at Oxna (Oksna), valley of Glommen River, eastern Norway. 

 Orusia lenticularis. 

 Parabolina spinulosa. 



323v [Davidson, 1869, p. 231]. (For stratigraphic position and association, see p. 145.) Upper Cambrian: At Ege- 

 berg (about 1.5 miles (2.4 km.) southeast of Christiania?), Norway. 

 *Orusia lenticularis. 



323w (references follow species). (For stratigraphic position and association, see p. 145.) Upper Cambrian: Black 

 argillaceous shale of "Etage 3a/3" at Christiania, Norway. 

 Obolus sp. (U. S. National Museum). 



Obolus (Broggeria) salteri (Univ. Mineral Inst., Christiania, Norway). 

 *Eoorthis wimani (U. S. National Museum). 



323x [U. S. National Museum]. (For stratigraphic position and association, see p. 145.) Upper Cambrian: Cera- 

 topyge slate at Russelokken, near Christiania, Norway. 

 *Eoorthis christianise. 



. 323y [U. S. National Museum]. (For stratigraphic position and association, see p. 145.) Upper Cambrian: Cera- 

 topyge slate at Toien, about 1 mile (1.6 km.) northeast of Christiania, Norway. 

 Eoorthis christianise. 



323z [U. S. National Museum]. (For stratigraphic position and association, see p. 144.) Passage beds between the 

 Upper Cambrian and the Ordovician: Ceratopyge limestone at Toien, about 1 mile (1.6 km.) northeast of 

 Christiania, Norway. 

 *Eoorthis daunus. 



324 [Kjerulf, 1873, pp. 73 and 83]. (For stratigraphic position and association, seep. 146.) Lower Cambrian: Green 

 shales with interbedded calcareous sandstone at Tomten, in Ringsaker, near Lake Mjosen, Province of 

 Hedemarken, Norway. 



Holmia kjerulfi (Brogger). 

 Arionellus. 



Lingulella sp. (U. S. National Museum). 

 Obolella mobergi. 

 Obolella (Glyptias) favosa. 



324a [U. S. National Museum]. (For stratigraphic position and association, see p. 146.) Middle Cambrian: Shales 

 of Etage Ic [Brogger] at Skrena, Skiensdalen, Norway (W. C. Brogger, 1877). 

 Acrothele coriacea. 



324b [U. S. National Museum]. (For stratigraphic position and association, see p. 146.) Middle Cambrian: Shales 

 of Etage Ic [Brogger] at Krekling, in Sandsvar, Norway (W. C. Brogger, 1877). 

 Acrothele coriacea. 

 Agnostus nudus. 



