a 
ae ay a oe 
CONT ENTS. 
Introduction . 
Crinoidea . 
Echinoidea Ae 3 ec 
The fragments of Test . 
Remains of the Jaw-apparatus 
The Radioles 
Asteroidea . as 
Tables of Distribution . 
Summary and Conclusions . 2 
Stratigraphical and Faunistic . 
Morphological . 
Systematic 
Nomenclature (iit ae ees 
List of Papers and Works referred to . 
Index EEE MAE que 
List of Illustrations in the Text 
Corrigenda Fe Le ah 
Explanations of Plates I—XVIII 
