G. LAPWOETH OK THE MOFFAT SEEIES. 



319 



Fig. 29. — Vertical Section V. Lowee Biekhill Shale (DohVs 



Linn). 



Cftl. Zone of DlPLOGEAPTUS 

 COMETA (continued on Section VI.) 



/ Grey flaggy shale 



CaP. Zone of MONO GEAPTUS GEE- 



GAEIUS. 



Upper Division, 



Black flaggy shales, with seams of 



white, grey, and yellow clay 



Seam of calcareous nodules. 



Soft shiTery aluminiferous shales 

 Concretionary band , 



Hard black shales, with partings of 

 white, yellow, blue, or purple clay... 



Conspicuous seam of calcareous no- 

 dules in coloured clays 



Lower Division. 



Black flaggy shales, with coloured 

 clay partings 



Seam of calcareous nodules. 



Haa-d black shales, with lines of white 



clay 



Seam of calcareous nodules 



Hard flaggy shales, with white part- 

 ings 



/ Ca?. Zone o/* DlPLOGEAPTUS VESI- 

 CULOSUS. 



Thick - bedded black carbonaceous 

 shales and flagstone, with a few in- 

 conspicuous partings of soft,coloured 

 clays , 



Diplograptus eometa, D. tamariscus. 

 Monograptus lobiferus. 



Conspicuous seam of white clay with 



calcareous nodules. 

 Fossils abundant and well preserved. 



Monograptus leptotheca, M. concinnus. 

 M. communis, M. lobiferus, Diplo- 

 graptus folium, D. tamariscus, Clima- 

 cograptus, Discinocaris Browniana, 

 Dawsonia campanulata, SfC. 



JRastrites peregrinus, Monograptus 

 gregarius, M. fimbriatus, Diplo- 

 graptus physophora. 



Monograptus triangulatns in profusion 



Monograptus Sandersoni, M. cyphus t 

 M. gregarius. 



Diplograptus physophora, D. tama- 

 riscus. 



Climacograptus innotatus, 

 Climacograptus normalis. 



Diplograptus modestus, Monograptus 

 tenuis, M. attenuatus, Climacograptus 

 innotatus. 



Crowded along a few horizons with 

 Diplograptus vesiculosus, Climaco' 

 graptus innotatus, C. normalis, Mo- 

 nograptus tenuis, M. attenuatus, 

 Dawsonia, sp., ? Discinocaris, sp. 



I CaK Zoxeo/ DlPLOGEAPTUS ACU- 



MINATUS. 



sFS-sfSs: Diplograptus acuminafus, Dimorphc 

 3~=. .sh~d graptus elongatus,Sj-c. 



(Continued from Vertical Section IV.) 



