INDEX 



PAGE 



Adams on composition of Laurentian schists . i . io8 



his work on Laurentian stratigraphy .... 296 



Animals, Cambrian, classes of 7j 1 1 



pre- Cambrian 53 



Huronian • 67 



GrenviUian 73, 303 



Antiquity, relative 6 



Aquatic animals, permanence of 13 



Aragonite in fossils 117 



ArchcEocyathus 35? 315 



Archseozoon 214, 309 



Barlow, his explorations 296 



Bavaria, Eozoon of 71 



Beecher on limbs of Trilobites 25 



Bicknell on Eozoon 141 



Billings on Eozoon 137 



on Receptaculites 315 



on Archaeocyathus 316 



on Signal Hill fossils 54 



Bonney on Cote St. Pierre 142 



Burbank on Chelmsford Eozoon 141 



Calcarina 186 



Calumet, Grand, Eozoon of 130 



