LOCALITIES. 237 



304k [Davidson, 1883, pp. 208 and 209]. (For stratigraphic position and association, see p. 135.) Upper Cambrian: 

 Shineton shale at Bull Hill Cottage and Pewardine, both in South Shropshire, England. 

 Lingulella nicholsoni. 



3041 [Geol. Survey Great Britain]. (See304p.) (For stratigraphic position and association, see p. 135.) Upper 

 Cambrian: Shineton shales at the following localities of the Geological Survey of Great Britain: 2246, 2481, 

 2499, 2512, 2513, 2541, 2548, 2556, 2567, 2625, and 2627, all of which are on Shineton Brook and vicinity, 

 '■ South Shropshire, England. 



Lingulella nicholsoni. 



304n [McCoy. 1854, p. 254]. (For stratigraphic position and association, see p. 135.) Ordovician: "Coniston (Bala) 

 limestone " at Coniston, Lancashire, England. 

 Lingulella davisi. 



3040 [U. S. National Museum]. (For stratigraphic position and association, see p. 136.) Lower Cambrian: Sand- 

 stone at Nuneaton, England. 

 Micromitra (Paterina) labradorica. 



304p [Geol. Survey Great Britain]. (See 3041.) (For stratigraphic position and association, see p. 135.) Upper 

 Cambrian: Shineton shales at the following localities of the Geological Survey of Great Britain: 2495, 2536, 

 2543, 2545, 2558, and 2580, all of which are on Shineton Brook, South Shropshire, England (Chas. Lapworth). 

 Acrotreta sabrinse. 



305 [Davidson, 1871, p. 341]. (For stratigraphic position and association, see p. 135.) Upper Cambrian: Lower 



Tremadoc shales, Craig-y-dinas, North Wales. 

 *Acrotreta belli. 



305a [Davidson, 1866, desc. of PI. III]. (For stratigraphic position and association, see p. 135.) Upper Cambrian: 

 Upper Tremadoc beds at Moel-y-gest, northwest side, Carnarvonshire, North Wales. 

 Lingulella lepis. 



305c. (For stratigraphic position and association, see p. 135.) Upper Cambrian: Lower Tremadoc slate, every- 

 where in the Tremadoc district, Carnarvonshire, North Wales. 

 Lingulella lepis. 



305d [Davidson, 1866, p. 54]. (For stratigraphic position and association, see p. 135.) Upper Cambrian: In the 

 Upper Lingula flags near Tremadoc, Carnarvonshire, North Wales. 

 Lingulella lepis?. 



305e [Davidson, 1866, p. 54]. (For stratigraphic position and association, see p. 135.) Upper Cambrian: Upper 

 Tremadoc beds near Tai-hirion, Arenig, North Wales. 

 Lingulella lepis. 



305f [Davidson, 1866, p. 54]. (For stratigraphic position and association, see p. 135.) Upper Cambrian: Lower 

 Tremadoc beds east of Pont Nant-y-Ladron, on the Bala road from Ffestiniog, Merionethshire, North Wales. 

 Lingulella lepis. 



305g [Davidson, 1866, p. 54]. (For stratigraphic position and association, see p. 135.) Upper Cambrian: Lower 

 Tremadoc at Wern, North Wales. 

 Lingulella lepis. 



30511 [Davidson, 1866, p. 54]. (For stratigraphic position and association, see p. 135.) Upper Cambrian: Lower 

 Tremadoc at Borthwood, North Wales. 

 *Lingulella lepis. 



3051 [Davidson, 1866, p. 54]. (For stratigraphic position and association, see p. 135.) Upper Cambrian: Lower 

 Tremadoc at Trwyn-y-Iago, North Wales. 

 Lingulella lepis. 



305] [Davidson, 1866, p. 54]. (For stratigraphic position and association, see p. 135.) Upper Cambrian: Lower 

 Tremadoc at Cefn Cyfarnedd, North Wales. 

 Lingulella lepis. 



306 [Geol. Survey Canada]. Upper? Cambrian: Sandy limestone on Gravel River, eastern slope of the Rocky 



Mountains, in the Mackenzie basin, British Colimibia (J. Keele, 1908). 

 Billingsella coloradoensis. 

 Eoorthis desmopleura?. 



