242 CAMBRIAN BEACHIOPODA. 



310f [Moberg, 1892b, p. 115]: (For stratigrapbic position and association, see p. 146.) Lower Cambrian: Drift 

 blocks of glauconitic quartzitic sandstone west of Ekerum, Kalmar sheet (Geol. Survey Sweden), O'eland 

 Island, Sweden. 



Micromitra (Paterina) undosa. 



Acrothele sp. undt. 



Discinella. 



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

 stone bowlders south of Stora Ror, on Oeland Island, Sweden. 

 Acrothele sp. undt. 



310h [U. S. National Museum]. (See 3091.) (For stratigraphic position and association, see p. 145.) Upper? 



Cambrian: Shale collected somewhere (probably Fogelsang) in the old Province of Skane, now the Provinces 



of Malmohus and Christianstad, Sweden. 

 Lingulella concinna. 

 Obolus (Broggeria) salteri. 

 Billingsella exporrecta. 



310i [U. S. National Museum]. (For stratigraphic position and association, see p. 145.) Passage beds between the 

 Middle Cambrian Pararforirfes /orc/i/iammen zone and the Upper Cambrian Oieniw truncatus zone: Limestone 

 at Borgholm, Oeland Island, Sweden. 



*Lingulella agnostorum. I Acrotreta parvula. 



Acrothele coriacea. , I Agnostus Isevigatus Dalman. 



310j [U. S. National Museum]. (For stratigraphic position and association, see p. 144.) Passage beds between the 

 Upper Cambrian and the Ordovician: Ceratopyge limestone at Borgholm, Oeland Island, Sweden. 

 Lingulella lepis. I Eoorthis wimani. 



Eoorthis daunus. I *Eostrophomena elegantula. 



310k [U. S. National Museum]. (Forstratigraphicpositionandassociation, see p.l45.) Upper Cambrian: Oeland 

 Island, Sweden. 

 *Lingulella sp. undt. a. 



310 1 [U.S. National Museum]. (See 8w, 320f, and 321y.) (For stratigraphic position and association, see p. 145.) 

 Middle Cambrian: In the Paradoxides forchhammeri zone at Andrarum, 20 miles (32 km.) northwest of Sim- 

 rishamn. Province of Christianstad, Sweden. 

 *Dicellomus sp. undt. 



310m [Linnarsson, 1876, p. 16]. (See 310o.) (For stratigraphic position and association, see p. 146.) Middle 

 Cambrian: Arenaceous shales of the Paradoxides tessini zone on Oeland Island, Sweden. 

 Lingulella ferruginea. 



310n [Moberg and Segerberg, 1906, p. 65]. (For stratigraphic position and association, see p. 145.) Upper Cam- 

 brian: In the "Obolm sandstone?" in Dalarne, Province of Kopparberg, Sweden. 

 Obolus triangularis. 



310o [U. S. National Museum]. (See 310m.) (For stratigraphic position and association, see p. 146.) Middle 

 Cambrian: Limestone in the Paradoxides tessini zone at Borgholm, Oeland Island, Sweden. 

 Lingulella ferruginea. 

 Acrothele (Redlichella) granulata. 



310p (references follow species). (See 310c.) (For stratigraphic position and association, see p. 146.) Middle Cam. 

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

 Lingulella ferruginea (U. S. National Museum). 

 Acrotreta socialis [Linnarsson, 1876, p. lS]=Acrotreta schmalenseei. 



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

 stone of the Agnostus Ixvigatus zone at Lovened, Province of Skaraborg, Sweden. 

 Lingulella ferruginea. 



310r [Westerg^rd, 1909, p. 76]. (For stratigraphic position and association, see p. 145.) Upper Cambrian: Zone v 

 of the Ceratopyge slate at Ottenby, Oeland Island, Sweden. 

 ♦Acrotreta celandica. 



310s [Westerg^rd, 1909, p. 76]. (For stratigraphic position and association, see p. 145.) Upper Cambrian: Upper, 

 most part of the Alum slate in beds equivalent to the Ceratopyge slate, northern part of Oeland Island, 

 Sweden. 

 Acrotreta celandica. 



