CONTENTS. 
Page 
Introduction. 3 
Crinoidea. 5 
Echinoidea . 59 
The fragments of Test. . 59 
Remains of the Jaw-apparatus . .128 
The Radioles. ... 135 
Asteroidea.235 
Tables of Distribution.237 
Summary and Conclusions.241 
Stratigraphieal and Faunistic.241 
Morphological. 246 
Systematic.256 
Nomenclature.263 
List of Papers and Works referred to. 265 
Index ... 275 
List of Illüstratio.iis in the Text.287 
Corrigenda .289 
Explanations of Plates 1 — XVIII.291 
