446 PROCEEDINGS OF THE GEOLOGICAL SOCIETY. [April 22, 



Table II. 



Species. 



Petraia Celtica, Lonsd.„> 



Hallia Pengellyi, M.-Edw. \ 



Amplexus tortuosus, Phill. 



Cyathophyllum caespitosum, Goldf. 



Cyathocrinus ellipticus, Phill. 



variabilis, Phill 



Phacops laciniatus, Boem 



latifrons, Bronn 



granulatus, Miinst 



Entomos serrato -striata, Sandb 



Fenestella antiqua , Go Idf. 



Polyp ora laxa, Phill. 



Athyris concentrica, V. Buch 



Spirifera Verneuillii, Murch 



Urii, Flem 



lineata, Mart 



Atrypa desquamata, Sow 



reticularis, et var. aspera 



Ehynchonella pleurodon, Phill 



pugnus. Mart 



reniformis, 8by 



Camaroplioria rhomboidea, Phill. .. 



Orthis striatiila, Schloth 



interlineata, Sow 



Streptorhynchus crenistria, PhilL . . 

 Strophalosia productoides, Murch... 



Prodactus subaculeatus, Murch 



Sanguinolari a sulcata, Miinst , 



Ctenodonta elliptica, Phill 



Orthonota semisulcata,Pi^27^.non Sow 



Modiola amygdalina, Phill. 



Schizodus deltoideus, Phill , 



Aviculopecten granulosus, Phill. ... 



transversus, Sow 



alternatus, Phill , 



granosus, Sow 



arachnoideus, Phill. 



Avicula subradiata, Phill. 



exarata, Phill. 



Pterinea ventricosa, Goldf. 



• spinosa, Phill. 



Cardiola retrostriata, Keys 



Euomphalus serpens, Phill. 



Natica nixicosta, Phill 



Pleiu'otomaria cancellata, Phill. 



aspera, Sow 



antitorquata , Phill. 



Devonian. 



03 * 



I" 



Ah 



North 

 Devon. 





Middle and 

 South Devon. 







Europe. 







In any 





