164 



CARBONICOLA, ANTHRACOMYA, AND NAIADITES. 



12. Succession of Strata — Lanarkshire and West oe Scotland. 



Palace Craig Ironstone 



Ell Coal 



Main Coal 



Splint Coal 



Airdrie or Quarter Black Band 

 Ironstone 



Virtuewell Coal 



Kiltongue Mussel Band 



Drumgray or Shotts Coal 



Glespin 9-foot 



Mussel-bands of Slatyband 

 Ironstone 



Millstone-grit Series 



v 



Succession of Marine 



Beds to Base of Middle 



Limestone Group 



Black Baud Ironstone 



near Lesmahagow Gas 



Coal, and 

 Boness Upper Ironstone 



Succession of marine 

 with occasional plant 

 beds of the Lower Lime- 

 stone Scries 



Calciferous Sandstone 



Series 



Upper or Cement-Stone 

 Group 



With C. Polmontens is and C. turgida at Kilwinning. 



With Anthracomya modiolaris, Carbonicola robusta, Naiadites carinata, 

 and N. modiolaris. 



With Naiadites carinata. 



Naiadites magna at Lesmahagow. 



With Carbonicola robusta, C. acuta, and Naiadites quadrata. 



With C. acuta and C. aquilina. 



Plant Beds. 



With Carbonicola acuta. 



With marine mollusca. 



With Anthracomya modiolaris and Naiadites obesa at Lesmahagow. 



With plant and fish remains. 



With Anthracomya Scotica at Garrel Burn, near Allanl'auld. 



