THE ANCIENT BOCKS OF ST. DAYID S. 



191 



Table (continued). 



Gent 



Crustacea. 



Agnostus .... 

 Microdiscue. 



Paradoxides .. . 



Plutonia 



Conocoryphe 



Anopolenus 



Arionellus 



Erinnys 



Carausia 



Holocephalina 



Olenus 



Parabolina 



Peltura 



Sphserophthalmus 



Neseuretus 



Niobe 



Psilocephalus 



Asaphus 



Angelina , 



Dikelocephalus 



Cheirurus , 



Ampyx , 



Ogygia 



Trinucleus 



iEglina 



Calymene 



Dionide 



Barrandea 



Phacops 



Placoparia 



Illsenus 



Illsenopsis 



Homalonotus 



Lichas 



Acidaspis 



Leperditia 



Entomis 



Primitia 



Beyrichia 



Lingulocaris 



Hymenocaris 



Ceratiocaris 



S 



ft 

 ft 



ft 

 ft 



P 



ft 



o 



<£ 



I 



