LOCALITIES. 



241 



309m [U. S. National Museum], (See 309j.) (For stratigraphic position and association, see p. 145.) Upper Cam. 

 brian: Limestones forming 3c of the Olenus series at Alunbruk (alum works), southern part of Oeland 

 Island, Sweden (Schmalensee, 1899). 

 Orusia lenticularis. 



310 (references follow species). (For stratigraphic position and association, see p. 144.) Passage beds between the 

 Upper Cambrian and the Ordovician: Cemtopyge limestone (zone 4 of Moberg and Segerberg), Ottenby, 

 Oeland Island, Sweden. 



Lingula producta [Moberg and Segerberg, 1906, p. 63]= 



Lingulella lepis. 

 Lingula ordovicensis [Moberg and Segerberg, 1906, p. 63]= 



Lingulella lepis. 

 Acrothele barbata [Moberg and Segerberg, 1906, p. 67]= 



Acrothele ceratopygarum. 

 "Acrotreta circularis [Moberg and Segerberg, 1906, p. 66]. 

 Acrotreta carinata [Moberg and Segerberg, 1906, p. 66]. 

 Eoorthis christianiEe [Moberg and Segerberg, 1906, desc. of 



PI. III]=Eoorthis daunus. 

 Eostrophomena elegantula [Moberg and Segerberg, 1906, 



desc. of PI. III]. 

 Lamanskya splendens [Moberg and Segerberg, 1906, desc. 



of PI. III]. 

 Meristella difiormis [Moberg and Segerberg, 1906, desc. of 



PL III]. 

 Agnostus sidenbladhi urceolatus [Moberg and Segerberg, 



1906, desc. of PL IV]. 

 Agnostus trinodus [Moberg and Segerberg, 1906, desc. of 



PL IV]. 

 Triarthrus angelini [Moberg and Segerberg, 1906, desc. of 



PL IV]. 

 Acerocare n. sp.? [Moberg and Segerberg, 1906, desc. of 



PL IV]. 

 Ceratopyge forficula [Moberg and Segerberg, 1906, desc. of 



PL V]. 

 Dikellocephalus broggeri [Moberg and Segerberg, 1906, 



desc. of PL V]. 



310a [U. S. National Museum]. (For stratigraphic position and association, see p. 145.) Upper Cambrian: Shales 

 of Olenus truncatus zone, Oeland Island, Sweden. 

 *Acrotreta conula. 

 Orusia lenticularis. 

 Olenus truncatus Brunn. 



310b [U. S. National Museum]. (For stratigraphic position and association, see p. 145.) Middle Cambrian: Dark- 

 brown limestone at Borgholm, Oeland Island, Sweden. 



Acrotreta schmalenseei. 1 mi ^ • j. ■ ^-u i j 



T,.,,. 1, , ^ These two species may not occur m the same bed. 



Bulmgsella exporrecta. J ^ 



3100 [Wallerius, 1895, p. 66]. (See 310p.) (For stratigraphic position and association, see p. 146.) Middle Cam- 

 brian: Limestone of the Paradoxides celandicus zone on Oeland Island, Sweden. 

 Acrotreta schmalenseei. 



310d [U. S. National Museum]. (See 390i.) (For stratigraphic position and association, see p. 145.) Upper Cam- 

 brian: Ceratopyge slate at Borgholm, Oeland Island, Sweden (Schmalensee, 1899). 



Apatocephalus serratus [Moberg and Segerberg, 1906, desc. 



of PL V]. 

 Symphysiu^us angustatus [Moberg and Segerberg, 1906, 



desc. of PL V]. 

 Symphysm'us breviceps [Moberg and Segerberg, 1906, 



desc. of PL V]. 

 Nileus armadillo [Moberg and Segerberg, 1906, desc. of 



PL VI]. 

 Niobe insignis [Moberg and Segerberg, 1906, desc. of PL VI]. 

 Niobe teviceps [Moberg and Segerberg, 1906, desc. of 



PL VI]. 

 Niobe obsoleta [Moberg and Segerberg, 1906, desc. of 



PL VI]. 

 Megalaspis planilimbata [Moberg and Segerberg, 1906, 



desc. of PL VII]. 

 lUsenus oriens [Moberg and Segerberg, 1906, desc. of 



PL VII]. 

 Orometopus elatifi'ons? [Moberg and Segerberg, 1906, desc. 



of PL VII]. 

 Holometopus tornquisti [Moberg and Segerberg, 1906, desc. 



of PL VII]. 

 Cyitometopus primigenus [Moberg and Segerberg, 1906, 



desc. of PL VII]. 

 Cyrtometopus speciosus [Moberg and Segerberg, 1906, 



desc. of PL VII]. 



Obolus (Broggeiia) salteri. 

 Lingulella ferruginea. 

 Lingulella lepis. 

 *Acrothele borgholmensis. 



Acrotreta seebachi. 

 Eoorthis christianiee. 

 Orthoid. 



310e [Moberg, 1892b, p. 115]. (For stratigraphic position and association, see p. 146.) Lower Cambrian: Sandstone 

 bowlder on the beach between Ekerum and Stora Ror, on Oeland Island, Sweden. 

 *Acrothele sp. undt. 



62667°— VOL 51, pt 1—12 16 



