162 
CARBONICOLA, ANTHRACOMYA, AND NAIADITES. 
10. YorxsutreE Coat-M&AsuRES—GENERAL SECTION. 
Soh ait 
Red Beds 
Wickersley, Houghton Common, and Pontefract Rocks 
Dalton, Brierly, and Ackworth Rocks 
Shafton or Nostel Coal 
Upper Chevel Rock 
Hollywell Wood 
i 
Shurlstone, Top, Low, and Yard Coals Coals 


Wheatworth 
& Coal | 
Bateson’s Bed 
Castleford 4-foot 
Houghton Coals | 








Trecton Rocks 
Newhill or Steam Coal 
Swinton Pottery Coal 
Woolley Edge Rock 


(| 
, 
Aston Common, Wathwood, Woodmoor, and Wake- 
field Muck Coals 
Foxearth [-} 2-ft- Coal 
Abdy or Stanley 
Winter Shale 
Sough or Yard Cas 
Beams- 
haw 















Furnace Coal 
Kents thin Coal 
High Hazels, Kents Thick, and Mapplewell Coals 
Barnsley Rider Coal and Rock 
Barnsley, Warrenhouse, and Gawthorpe Coals 
Swallow-wood, Netherton, and Haighmoor Coals 
Joan, Mitchell, or Parson’s Coal 
Tankersley Ironstone 
Heward, Flockton thick, and Adwalton Stone Ore 
Flockton Thin Coal 
Adwalton Black Bed 
Middleton High Main 

Fenton’s Coal and Black Mine Ironstone 
Park Gate, Old Hards, 2-yards, Brown Metal, and Firth 
Field Coals 
Walter’s or Thorncliffe Thin, Green Lane, Middleton 
little, and Hardband Coals 
Swilley, New Hards, and Middleton Main Coals 
Silkstone Group. 
Silkstone 4 feet, Wheatley Lime, ?, and Middle- 
ton 11 yards 
Claywood Ironstone 
Silkstone, Blocking, and Barcelona Coals 
Whin Moor group of Coals Beeston Coal 
Crow Coal |— 
Low Moor Iron- 
stone 
Black Bed 
Peniston Flags, 
Grenoside Sandstone, Coal, and Stone 

Better Bed 
Underclay and thin Coal 
Gannister or Hard-bed Coal 
Clay or Middle-bed,Coal 
Coking or Soft-bed Coal 
Black Slate 
Thin Coal 
Rough Rock. 
Black shale over the Coal at Beacon Hill, Halifax, contains C. robusta, C. acuta, and C. aguilina. 
* The numbers refer to pages in the “Geology of the Yorkshire Coal-field,” ‘Mem. of the Geol. Survey.’ ; “iets 2 
+ Probably C. robusta, as the Silkstone of Yorkshire is supposed to be the equivalent of the Arley Mine of Lancashire, of which bed this species is typical. 



Houghton Rock FA With 
Carbonicola, p. 468.* 
With Carbonicola above the Wathwood seam, E. of Rawmarsh, 
p. 414,* and with Carbonicola above and below the Wakefield 
Muck at Westgate Goods-station, Wakefield, p. 768.* 
With Carbonicola robusta, C. aquilina, C. turgida, Anthracomya 
Wardi, Naiadites modiolaris, N. triangularis, N. carinata at 
Wakefield. 
With Carbonicola acuta, C. aquilina at Wakefield. 
With Carbonicola about the horizon of the Swallow-wood Coal, 
N.E. of Hall Carr Lane, Don Valley, p. 335.* 
Mussel-bed full of Carbonicola, Anthracomya, and Naiadites, 
p. 325.* 
With Carbonicola at Hoyland Bank Wood, p. 320, and at Lock- 
wood Lane, N. of Emley Moor, p.331;* at Albion Brick Works, 
Newton Colliery, p. 654, and at Doles Wood, p. 686." Carboni- 
cola turgida in abundance. 
The Black Mine Ironstone contains Carbonicola at New Hogg’s 
Pit, N.E. of Chapeltown Station, p. 305.* 
Carbonicola and Spirorbis about the horizon of Thorncliffe Thin 
Coal at Mill Houses, N.E. of Cawthorne, p. 274.* 
Large Carbonicola + near Silkstone Station (p. 256).* 
With Carbonicola, p. 250.* 
With Carbonicola subconstricta at Low Moor. 
With Goniatites and Aviculopecten, p. 108.* 
With Carbonicola, p.104.* Coal pit, Pit Lane, E. of Spink House, 
Midhopestones, 
Marine fossils. 
With Carbonicola robusta and C. acuta. Shown at Cockshutt Lane 
to be in separate beds, pp. 85, 88.* 
