FOSSILS OF THE BEITISH ISLANDS 



STRATIGRAPHICALLY ARRANGED. 



P^RT I. 



PALEOZOIC. 



CAMBRIAN AND SILURIAN SPECIES. 



Abbreviations used in the heading to the several columns of Strata. The names not abbreviated explain themsehes. 



Har. St. David's = Harlech and St. David's beds, including the Longmynd, 

 Llanberris, and Bray Head series, or Lowest Cam- 

 brian rocks of England, Wales, and Ireland. 



Low. Llandovery = Lower Llandovery. 



Up. Llandovery = Upper Llandovery or May Hill beds. 



Woolhope Lmst. = Woolhope Limestone. 



Wenlock Lmst. = Wenloek Limestone. 



Aymestry Lmst, = Aymestry Limestone. 



Tilest. & Passage = Passage beds and Downton Sandstones. 



Pass up. To show that the species passes to the next formation. 



A^L^OZOIC. 



PLANTS. 



CAMBRIAN AND SILURIAN. 



B 



