244 



MR. L. D. STAMP ON THE HIGHEST 

 LIST OP FOSSILS {continued). 



Mollusc a {continued). 



Platyschisma helicites J. de C 



Sowerby. 



Holopella sp 



BelleropJion trilobatus J. de C. 



Sowerby. 

 B. expansus J. de C. Sowerby 



Cephalopoda. 



Orthoceras ludense J. de C. Sowerby 



O perelegans Salter 



O. gregarium? J. de C. Sowerby .... 



O. striatum ? J. de C. Sowerby 



O. ibex J . de C. Sowerby 



O. marloense ? Phillips 



O. tracheal e J. de C. Sowerb}' 



O. annulatum ? J. de C. Sowerby 



O. sp. (i) 



O. sp. (li) 



O. sp. (iii) 



Arthropoda. 



Beyrich ia wilckensiana J ones 



{ = tuberculatus) . 



B. kloedani McCoy 



B. spp. 



Agnostus sp. ? 



Pterygotus problematicus ? Salter .. 



JSurypterus spp 



Ijeperditia sp. ? 





o 





X 



X 



Upper 

 Ludlow 

 Group. 



ft? 



£> 



X 



pq 



o 



p. 



[vol. lxxiv, 



Temeside 

 Group. 



pq 



An 





is 

 o 



Q 



X 

 X 



EXPLANATION OF PLATES XIX & XX. 

 Plate XIX. 



Fig. 1. Caer Caradoc, showing- scarp and dip-slopes. Summit of Upper 

 Chonetes Beds. (See p. 224.) 

 2. Rhyuchoiiella Flags, Pentre Quarry. An example of jointing. The 

 white streaks are lines of fungi along the softer layers of the flags. 

 (See p. 240.) 



Plate XX. 



Geological map of the Bucknell district, Shropshire, on the scale of 2 inches 

 to the mile or 1:31,080. The map is oriented north and south. 

 Also section across the district, on the same scale. 



