336 INDEX 



PAGE 



Receptaculites , -S^S 



Robb, Pole Hill specimens 301 



Serpentine, mineralizing fossils 147 



different origins of 167, 171 



Signal Hill series 53 



Silicates, mineralizing fossils 217, 298 



Spines, use of 30 



Stromatoporae . , , 173 



St. Pierre, Cote 88, 91 



Table of the history of life 2 



of pre-Cambrian formations 76 



Triarthrus 25 



Tubuli of Eozoon 60, 61, 159 



Van Hise on pre-Cambrian 66, 329 



Varieties of Eozoon 107, 202 



Vennor referred to 69 



Walcott on Lower Cambrian 40, 62 



on fossils, Colorado Canon 57 



Weston, Mr., referred to 13 1 



White, Prof. C. A., on chronology of life .... 7 



Wilson, Dr., referred to 127 



Worm-burrows in Huronian 67 



Worm-trails in Lower Cambrian, etc. ... 40, 43 



