OF THE CLYDE BASIN. 475 



LOWER CARBONIFEROUS. 



Carboniferous Limestone Series. 



ALGAE. 



Spirophyton cauda-galli, Vanuxem, sp. Stirling. Corrieburn, Campsie : 

 Spouthead Burn, Milton of Campsie. Ayr. Den, Dairy. 



FILICACEAE. 



Sphenopterideae. 



Sphenopteris Ettingshauseni, Feistm. Lanark. Calderwood Group, 

 E. Kilbride. 



S. Haueri, Stur. Lanark. Calderwood Group, E. Kilbride. 



S. elegans, Brongt. Renfrew. Immediately under Orchard Limestone, 

 New Braidbar Quarry. 



S. moravica, Ett. Renfrew. Immediately under Orchard Limestone,- 

 New Braidbar Quarry. 



S. subtrifida, Stur. Renfrew. Immediately under Orchard Limestone, 

 New Braidbar Quarry. 



S. Gersdorfii, Giipp, sp. Lanark. Cald&rwood Group, E. Kilbride. 



Sphenopteridium dissectum, Gapp, sp. Lanark. Calderwood Group,- 

 E. Kilbride. Bute. Shale over U. Limestone, Waterfall, Lochrin Burn. 



Rhacopteris inaequilatera, Gopp, sp. (Adiomtites liindseaeformis, Bunbury.) 

 Lanark. Calderwood Group,. Kirktonholm, and Burnbrae Old Quarry 

 E. Kilbride : (Hor. ?) Braid wood. 



R. transitionis, Stur. Lanark. Calderu-ood Group, E. Kilbride. 



? R. petiolata, Gopp, sp. Lanark. Calderwood Group, E. Kilbride. 



Adiantites Machaneki, Stur. Lanark. Calderwood Group, E. Kilbride. 



A. bellidlllus, Heer. Bute. Sliddery Water-head, Arran. 



Archaeopteris Tschermaki. Star. Lanark. Calderwood Group, E. Kil- 

 bride. 



Plumatopteris elegans, Kidston. Lanark. Calderwood Group, E. Kil- 

 bride. 



Calymmatotheca Stangeri, Stur. Renfrew. Immediately under Orchard 

 Limestone, New Braidbar Quarry. 



Pecopterideae. 



Dactylotheca aspera, Brongt., sp. Renfrew. Immediately under Orchard 

 Limestone, New Braidbar Quarry. 



Neuropterideae. 



Neuropteris antecedens, Stur. Lanark. Calderwood Group, E. Kilbride. 

 Cardiopteris nana, Eichwald, sp. Lanark. Calderwood Group, E. Kil- 

 bride. Bute. 130 yds. N. of Hurlet Limestone, Shore, N. of Laggau, 

 Arran. 



CALAMARIEAE. 



Asterocalamites scrobiculatus, Schl., sp. Lanark. Calderwood Group,- 

 E. Kilbride. Renfrew. Immediately under Orchard Limestone, New 

 Braidbar Quarry. Bute. Shale over U. Limestone, Waterfall, Lochrin 

 Burn. In Tuff, Sliddery Water-head, Arran. 



Volkmannia Morrisii, Hooker. Lanark. Ironstone midway betw. Cannel 

 Coal and Main Limestone, Carluke. 



SPHENOPHTLLEAE. 



Sphenophyllum tenerrimum, Ett. Lanark. Possil Ironstone series, horizon 

 of Robroyston Limestone, Robroyston. 



