878 



J. E. MAER ON LIFE-ZONES OF THE 



Fig. 1. — Section at Lower Footbridge, Skdgill. 

 (Scale 1 inch to 10 feet.) 



No. 12. 



UZZ 



y TPA 



777A 



No. 11.. 



No. 10.. 

 No. 9.. 



No. 8.. 



No. 7. 



P.Z. 



A.Z. 

 E.Z. 



No. 3. 



No. 2... 



No.l... 



z3w 



'/ /// 1 



TTTT. 



■++-*-. 



-/-, 



fe 



fe 



^ 



ft. in. 



Light blue flags 11 seen. 



Mudstones 2 



Blue flags 2 6 



Mudstones 8 



Blue flags 4 



Mudstones ( Graptolites convolutus, var. spiralis, and 



Diplograpsus tamariscus at base)' 6 6 



Blue flags, with bands of calcareous concretions 



=Phacops-zone 8 



Argenteus-m\\d.8tone& 8 



Blue flags, with bands of calcareous concretions 



—Encrinurus-zone 4 



Mudstones 6 about. 



Blue flaggy mudstones 3 about. 



Mudstones, flaggy at base 6 



Basement bed of Silurian 1 



Ashgill shales. Total 55 4 



