G8 



MR. J. W. KIKKBX ON PEKMIAN FISH AND PLANTS. 



Fig. 1. — Vertical Section of 

 the Magnesian Limestone^ 

 of Fulwell Sill. 

 Scale 15 feet to the inch. 



Fig 2. — Vertical Section 

 of the Permian Strata 

 of Durham. 



Scale 100 feet to the inch. 



Palceoniscus rarimis 



Ulmannia selaginoides I 



Acrokpis 



Palceoniscus varians. (H ... 

 Reed-like Plant G 



A crolepis F 



Palceoniscus varians } E 



A crolepis 



Ulmannia selaginoides . 



Palceoniscus varians D"" 



Plants, obscure C 



Ulmannia, sp B ^ 



Palceoniscus varians A 





V Upper Lime- 



III r stone. 



fFulwellFish- 

 bed, con- 

 taining spe- 

 ■ cies of Pa- 

 rr_:L-_lCSS: i 1 -'— J | Iceoniscus & 



ill' !!L. 



— I Acrolepi 



\. Middle Lime- 

 stone. 



■ 111 r 111 



— 't ~t r 1 



v LcwerLime- 

 i stone. 



JL 



_ JE— '— - 



l" -"•" "' J Plaliisomus. 



j ' ■ '<Vb« ^ Marl-Slate, 



sP^sfgpliig ^ containing 

 Palceoniscus, 



I Middle 

 Limestone. 



