196 
INDEX TO VOLUME II. 
PAGE 
Classification in general of the Asteroidea . . . . . 37 — 50 
„ Ophiui'oidea ...... 138, 139 
Comparison of Echinoidea with Asteroidea . . . . , 3, 9, 10 — 22 
Correlation of the Lias beds of France, Germany, and England , . , .53 
Genera of the Asteroidea from the Tertiary, Cretaceous, and Jurassic strata . . .37 
History of the Asteroidea . . . . . . 37 — 50 
„ Ophiuroidea ....... 132 
HoEizoNs of Jurassic genera of Asteroidea ..... 100—130 
Astropectea, Linck, from Calcareous Grit . . . . 129, 164 
„ „ Kelloway Rock . . . . 125, 127 
„ „ Cornbrash . . . . 164, 165 
„ „ Forest Marble .... 121—123 
„ Stonesfield Slate . . . .116,118,121 
„ „ Inferior Oolite . . . . 114,115 
„ Middle Lias . . . . .113 
Goniaster, Agassiz Great Oolite . . . . .109 
„ „ Inferior Oolite . . . . .108 
Luidia, Forbes Middle Lias . . . . .111 
Plumaster, Wright „ . . . . .112 
Solaster, Forbes Great Oolite . . . . .104 
Stellaster, Gray Inferior Oolite . . . . .165 
Tropidaster, jPorSes Middle Lias , , . . . 102 
Uraster, Agassis Forest Marble . . . . .166 
„ Middle Lias .... 100-102 
Horizons of Jurassic genera of Ophiuroidea ..... 140 — 161 
Acroura, Agassiz, from Middle Lias . . . .153 
Ophioderma, Muller ^ Troschel, „ . . 140, 143; 146, 147, 148 
Ophiolepis, „ Inferior Oolite . . . .160 
„ „ Middle Lias . . . ,151 
„ Lower Lias . . . .150 
„ ,, Upper Trias . . . . 161 
Ophiurella, Agassiz Calcareous Grit .... 156 
„ „ Forest Marble and Great Oolite . .154 
Horizons of Jurassic species of Asteroidea ..... 100 — 130 
from Calcareous Grit . . . 129, 168 
Kelloway Rock . . . 125, 127 
Cornbrash . . . .168 
Forest Marble . . . 122,123 
Great Oolite . . . 104, 109 
Stonesfield Slate . . 116,118,120,121 
Inferior Oolite . . 108,114,115 
Middle Lias . . 100—102,111—113 
