100 



PROCEEDINGS OF THE GEOLOGICAL SOCIETY. 



[Jan. 8, 





Oreton 



and 

 Farlow. 



Bristol. 



Yorkshire 



and 

 Derbyshire 



Ireland 



(chieflf 

 Armagh). 



North 

 Britain. 



Choraatodus clavatus, M'Coy.. 



denticulatus, M' Coy 



linearis, Ag 



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truncatus, Ag 



sp 



Cladacanthus paradoxus, Ag.... 

 Cladodus acutus, Ag 







laevis, M'^Coy 





Milleri, Ag 







Climaxodus imbricatus, M'Coy 

 ?Coccosteus carbonarius,ilf'Co^ 



Cochliodus contoFtus, Ag 



magnus (?), Aq 



striatus (?), ^^ 



? n. s 



Colonodus longidens, M'Coy ... 





spatulatus, Ag 



Cosmacanthus carbonarius,^' C. 

 Cricacathus Jonesii, Ag 



, Ctenacanthus arcuatus, Ag 















Ctenopetalus serratus, Ag 



Deltodus sublsBvis, -4o' 



n, 8 



Deltoptychius acutus, Ag 



gibberulus, Ag 



Dimyleus W^oodii, Ag 



Dipriacanthus falcatus, M^Coy 

 Stokesii, i)/' Coy 



Erismacanthus Jonesii, M'Coy 

 Glossodes lingua-bovis, M'Coy 



raarginatus, M' Coy 



Gyracanthus tuberculatus, Ag. 



Harpacodus dentatus, Ag 



Helodus appendiculatus, M'Coy 

 didymus, Ag 



gibberulus, Ag 



Isevissimus, Ag 



mammillaris, Ag 



rudis, M'-Coy 



subteres, Ag 





sp 



Holoptychius Hibbertii, Ag. ... 

 Homacanthus macrodus, M'Coy 



