BIGSBT PALEOZOIC KOCKS OF NEW YOEK. 



315 



Table XIX. — Silurian Fossils of Wales and the adjacent English 

 Counties, arranged according to their Mineral Habitats. 



[Certain micaceous and ferruginous conditions of the rocks are not here 

 noticed, on the supposition that they were produced (especially the latter) after 

 the formation of the deposit.] 





1 



2 



3 



4 



5 



6 



7 



8 



9 



10 



11 



Genera and Species, 

 t The names marked with an obelisk in- 



1 





1 



3a 





Is 

 





1 





g 





dicate Fossils which do not occur in Wales, 







-71! 



02 



1—1 





OQ 







;:^ 





but are found in other parts of Great 

 Britain and Ireland. 



o 

 O 



on 



2 

 i 



CD 



GQ 



o 



% 



QQ 



o 

 •A 



00 



8 



1 — 1 



1 



6 



i 







1 



02 



;3 



GO 



1:3 

 







1 







OQ 







1 



s 



Plant^b. 

























ActinophyUum plicatum . 

 Cruziana semiplicata ... . 

 Fucoides, n. s 











* 

 * 











* 











Lycopodiacese ? (spores) 

 Palseochorda major ... . 









• * 



* 



* 

 * 



















minor 













* 



















teres 













* 



















Spongarium aequistriatnm . 

 Edwardsi 













* 

 * 



















interruptima 



Trichoides ambiguus ... . 













* 





* 















Amorphozoa. 

























Cliona (Vioa) prisca 



Cnemidium tenue 





... 



... 



... 



* 











* 



* 





Stromatopora striatella 





















ZOOPHYTA. 

























Acervularia ananas 























* 





Alveolites Grayi 



Labechii 



























* 

 * 





repens 



seriatoporides 



Arachnophyllum typus 

 AulacophyUum mitratum . 

 Chsetetes Fletcheri ... . 



























* 

 * 

 * 

 * 

 * 





pulchellus 



Petropolitanus ... . 

 Clad ocora sulcata 











... 





* 













* 

 * 





Clisiophyllum vortex ... . 

 Coenites intertextus ... . 

























* 



* 

 * 





juniperinus 



labrosus 



























* 

 * 





