480 INDEX. 



PAGE 



Woodsia Oregana Eaton 90 



Woodsia scopulina Eaton 91 



Whymper, E. — On the Matterhorn 459 



Xiphias gladius 132 



Youman on Force 153 



Zaphrentis, (species of, described) 430 



Zoophyta — List of, found in Trenton Limestone , . 312 



JOHN LOVELL, PRINTER. 



