598 



FAUNAL SUCCESSION OF THE UPPER BERNICIAN 





Saccam- 

 mina 

 carteri 







Productus j3 



Productus 

 a 





Diphyphyllum 



Lithostro- 



tion 

 irregulare 



Dibunophyllum 

 muriheadi 





C3 

 <U 



■3 



S 



s 



c 







c3 



a 



a 

 a 



> 

 1— 1 



■xi 

 <u 







.6 

 'd 



c 



<u 







<u 



Q 



CI, 



_o 



U 



.a 



"0 

 S 



s 



tn 



a 



Oh 



r2 



C 

 D 

 ;-i 



a, 



N 



u 

 <u 



C 

 <u 



1 

 rt 



3 'C 

 d 



Q ^ 



& C 

 



c 



OS 

 PL, 



1 



_o 



43 







> 



J2 

 > 

 1— 1 



> 

 t— 1 



t-H 

 l-H 



1— 1 



l-H 



c4 



ID 



a 

 



S 



a, 

 

 H 



Robsheugh Limestone 

 Thornbrough Limestone 

 Corbridge Limestone 



a a 

 



1n In 

 0) aj 



S E 



'^ '>^ 



Four Fathom Limestone 

 Acre Limestone 

 Eelwell Limestone 



c 

 



s 

 



§ s 



V 



43 

 C« 



<u 

 a 

 



§ 

 1-1 



S, 



0) 





