GEI^ERAL I^DEX. 



For all names in Botany and Zoology see Index of Nomenclature, fol- 

 lowing the General Index. 



For full titles of papers, and names of their authors, see Table of 

 Contents. 



PAGE 



Aboriginal use of meteoric 



iron 227 



Academy, history of 233, 278 



library of 1, 20, 164, 282 



membership of 162 



officers of 165 



seal of 232 



Accessions to Library 1, 20, 282 



Acid secretion of fungi, 



71-73, 114, 118 



Acridine 196 



Actinium 200 



Actinolite 264 



Adirondacks, schistose rocks 



in 72 



^ther (assumed element).. 184, 185 



Affinity, chemical 185, 187 



Agate-cutting 19 



Agatized woods from Arizona. 9-11 



Air, boiling point of 191 



Air brakes 149, 150 



Albite, in New York Island, 



75, 223 



in Staten Island 230 



Alchemists 198 



Alcohol 179 



solidification of 191 



Alexandrite, Ceylonese 131-132 



Alizarine 193, 197 



" Alkali industry" 192 



Alkaline metals 215 



Alkaloids 195 



Alleghany belt 78-79 



Almucantar 235, 261 



PAGE 



Alphabet, Egyptian origin of.81-88 



Aluminium 192 



Amboy clays of N. J 136 



Amblygonite 80 



America, denudation of 77-78 



American Trias 18-19 



Ammonia . . . 187 



" Ammonia process " 193 



Analyses, combustion in loco- 



tives 144-145 



Analysis of meteorite 224 



Ancient temples, etc., of Yu- 

 catan 169-178 



Angiosperms, from cretaceous. 



133-137 

 from "Dakota" forma- 

 tion. 133 



from Vancouver's Island. . 133 



Annual election 165 



Annual erosion of continents. 78 



Anthracene 193, 196 



Anthraquinone 192 



Apatite 75, 233 



Aplodontia, new species from 



California 179 



" Appalachian Valley," 



215, 216, 217 

 Aquamarine, from N. Y. City. 



25, 75 



Aragonite 229 



Archaean, of Blue Ridge. . .219-322 



rocks 19, 222, 233 



strata, younger.. . . . .216, 333 



strata, "older 220-221 



