196 



INDEX TO VOLUME II. 



Classification in general of the Asteroidea 



„ Opliiuroidea . 



Comparison of Echinoidea with Asteroidea 



Correlation of the Lias beds of France, Germany, and England 



Genera of the Asteroidea from the Tertiary, Cretaceous, and Jurassic strata 



History of the Asteroidea 

 Ophiuroidea 



Horizons of Jurassic genera of Asteroidea 



Astropectea, Linck, from Calcareous Grit 

 Kelloway Rock 

 Cornbrash 

 Forest Marble 

 Stonesfield Slate 

 Inferior Oolite 

 Middle Lias 

 Great Oolite 

 Inferior Oolite 

 Middle Lias 



Goniaster, Agassis 



Luidia, Forbes 

 Plumaster, Wright 

 Solaster, Forbes 

 Stellaster, Gray 

 Tropidaster, Forbes 

 Uraster, Agassis 



Great Oolite 

 Inferior Oolite 

 Middle Lias 

 Forest Marble 

 „ „ Middle Lias 



Horizons of Jurassic genera of Ophiuroidea 



Acroura, Agassis, from Middle Lias 



Ophioderma, Muller ^ Troschel, „ 

 Ophiolepis, „ Inferior Oolite 



„ „ Middle Lias 



„ „ Lower Lias 



„ „ Upper Trias 



Ophiurella, Agassis Calcareous Grit 



„ „ Forest Marble and 



Horizons of Jurassic species of Asteroidea 



from Calcareous Grit 

 Kelloway Rock 

 Cornbrash 

 Forest Marble 

 Great Oolite 

 Stonesfield Slate 

 Inferior Oolite 

 Middle Lias 



Great Oolite 



PAGE 



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