268 CAMBRIAN BRACHIOPODA. 



340a [U. S. National Museum]. (Same horizon as 4u.) Middle Cambrian: Shales near Helena, Jefferson County^ 

 Mont. (L. S. Griswold). 

 Obelus (Westonia) ella. 



340ta [IJ. S. National Museum]. Upper Cambrian: Limestone at the mouth of Fourmile Creek, probably some- 

 where in the Threeforks quadrangle (U. S. G. S.), Gallatin County, Mont. (A. C. Peale). 

 Eoorthis desmopleura. 



340c [U. S. National Museum]. Middle? Cambrian: Dark-red sandstone near the base of the Cambrian at Rawlins,. 

 Carbon County, Wyo. (N. H. Darton). 

 Lingulella (Lingulepis) acuminata. 



340d [U. S. National Museum]. Middle Cambrian: Limestone near the head of Bear River Canyon, Wyo. (A. C. 

 Peale). 

 Acrotreta attenuata. 



340e [U. S. National Museum]. Middle? Cambrian: Shale on the west side of Cable Mountain, Phillipsburg 

 quadrangle (U. S. G. S.), Granite County, Mont. (F. C. Calkins, 1906). 

 Lingulella sp. 



340£ [U. S. National Museum]. Middle? Cambrian: Lowest beds exposed at the mouth of Bear Creek, Little Belt 

 Mountains, Mont. (W. H. Weed, 1894). 

 Dicellomus politus. 



341 [U. S. National Museum]. Upper Cambrian: Near Lansing, Allamakee County, Iowa. 

 *Lingulella winona (also cited from this locality by Hall, 1863, p. 126). 



Finkelnburgia osceola. 



341a [U. S. National Museum]. Upper Cambrian: Sandstone at McGregor, Clayton County, Iowa (F. W. Sardeson,, 

 1899). 

 Lingulella mosia. 



342 [collection of J. Miquel]. Middle Cambrian: Shales in Montague Noire, Coulouma, Department of H6rault,, 



France. 

 *Acrothele bergeroni. 



342a [collection of J. Miquel]. Passage beds between the Cambrian and the Ordovician, or Lower Ordovician:^ 



Barren quartzitic beds, Coulouma, Department of H6rault, France. 

 *Yorkia? miqueli. 



343 [Rogers, 1875, p. 11, mentions specimens from Newport; U. S. National Museum has specimens labeled Narra- 



gansett Bay]. Lower Ordovician: Limestone pebbles on the beach near Newport and at_ several points- 



along the shores of Narragansett Bay, Rhode Island. 

 *Obolus (Westonia) rogersi. 



343a [U. S. National Museum]. Upper Cambrian: Limestone pebbles on Checker Beach, near Newport, R. I.. 



(O. O. Nylander, 1893). 

 Lingulella sp. 1. 

 Lingulella sp. 2. 



343b [U. S. National Museum]. Upper Cambrian: Limestone pebble on Sachuset Beach, near Newport, R. I.. 

 Lingulella bella. 



344 (references follow species). (For stratigraphic position and association, see p. 133.) Middle Cambrian:: 



Sandy shales of Division E3b of Matthew's [1903, p. 21] Etcheminian, on Dugald Brook, Indian River, 

 eastern Cape Breton, Nova Scotia. 



Obolus lens [Matthew, 1903, p. 81]=Obolus (Palseobolus) 



bretonensis lens. 

 Lingulella atava [Matthew, 1903, p. 81]. 



Lingulella [Matthew, 1903, p. 58]. 



Acrothele abavia [Matthew, 1903, p. 81]:=Acrothele avia. 



Acrothele avia [Matthew, 1903, p. 81]. 



344a (references follow species). (For stratigraphic position and association, see p. 133.) Middle Cambrian: 

 Sandy shales of Division E3c of Matthew's [1903, p. 21] Etcheminian, on Dugald Brook, Indian River,. 

 eastern Cape Breton, Nova Scotia. 



Lingulella sp. [Matthew, 1903, p. 26]. 



Lingulella coUicia [Matthew, 1903, p. 26]. 



Acrothele abavia [Matthew, 1903, p. 26]^Acrothele avia. 



Acrotreta sp. [Matthew, 1903, p. 26]. 

 *Acrothyra proavia [Matthew, 1902b, p^, 422]. 

 Bradoria scrutator [Matthew, 1903, p. 163]. 



344b (references follow species). (For stratigraphic position and association, see p. 133.) (See 13n''''). Middle 

 Cambrian: Sandy shales of Division E3d of Matthew's [1903, p. 21] Etcheminian, on Dugald Brook, Indian. 

 River, eastern Cape Breton, Nova Scotia. 



Lingulella atava [Matthew, 1903, p. 81]. 



*Obolus (Palaeobolus) bretonensis [Matthejv, 1903, p. 81]. 



Acrothele avia [Matthew, 1903, p. 81]. 



Acrothyra proavia [Matthew, 1903, p. 91]. 

 *Bradorona spectator sequat [Matthew, 1903, p. 81]. 



