xxxvi] 



CyOADBOIDBA 



413 



'3eam ofjjlalu stone 



Shi/iin^ rulHe 

 76/1 slate 

 Shaley clay 

 Shinghbed 

 Soft slaty stone 

 Seam, if clay 



Hard slate hed 



Bacon Tier 

 # 

 Aish 

 Bur 

 Gieat dirtl^ed 



Top cap 



Lowerdvi beet 



f^'TPA) Scul cap 



Via. 535. Section of the quany 

 in the Isle of Portland in 

 which Cycadeoidea gigantea 

 was found. 



Fig. 536. Cycadeoidea gigantea. (The original is 

 in the British Museum; i nat. size.) 



