No. 163.] 19 



OrthooeUas, Lower Silurian. 1 



Chair of Kildare. 



Pal^eoptga ramsayi, Lower Cambrian. 1 plaster cast. 



Church Stretton. 



Oldhamia antiqua, Cambrian. 2 



Wicklow. 



— RADIATA, do 1 



Wicklow. 



LLANDOVERY ROCKS OR PENTAMERUS BEDS. 



Pentamerus lens, Pentamerus beds, or Upper Caradoc. 2 



Tre coed Builth. 



1 



2 

 2 

 1 

 2 

 1 

 2 

 3 

 a 

 2 

 1 

 2 

 1 



1 



Malverns. 



Slab containing NucuLA sp., "^ 

 Rhtkchonella decemplicata, \jj ^^^.^^^^ sandstone. 1 



CORNULITES SERPULARIUS and [ ^^ 



*Tentaculites annulatus, J 



Obelisk lane, Malverns. 



— OBLONGUS, 



Tre coed Builth. 



Pentamerus beds, 



— UNDATUS, 



Llandovery. 



do 



Orthis elegantula, var. parva, do 

 Llandovery. 



Ehynconella angustiprons, 

 N. of Maescefnyfordd. 



do 



Favosites alveolaris, 

 Llandovery. 



do 



Lept^na transversalis, 

 Llandovery. 



do 



Atrtpa reticularis, 

 Llandovery. 



do 



Orthis elegantula, 

 Llandovery. 



do 



*Petraia elongata, 

 Malverns. 



Upper Caradoc. 



— SUBDUPLICATA, 



Malverns. 



do 



— — var. Crenulata, do 



Malverns. 



— BINA, 



Malverns. 



do 



Favosites alveolaris, 



Malverns. 



do 



CoRNULITES SERPULARIUS, 



do 



