Kendall : Geology of the Vale of Eden. 



lO' 



and Orthoceras is, in some thick beds, so crowded with heads 

 and tails of a great trilobite ( Illaenus howmanni) as to surfeit 



Geological Map of the Vale of Eden. 



one vvith the good things. Other trilobites, such as Sphs- 

 lexochus and Cheu-urus, occur more sparingly, and are the 

 more prized. r o j 



The Silurian flags and shales are not particularly interesting, 



igi2 April i. 



