FIGURES
 

OF
 

THE  SILURIAN FOSSILS
 

PUBLISHED IN THE ORIGINAL
 

'SILUEIAN    SYSTEM,'
 

ARRANGED  ACCORDING  TO  THEIR  PLACES  IN  THE  GEOLOGICAL  SERIES.
 

[The figures are aU transferred from the original Plates in the ' Silurian System,'
In every case where the old names have been changed, in accordance with more recent
nomenclature, the name used in the original work is inserted in brackets, for the pur¬
pose of reference.]