298 



GENERAL INDEX. 



PAGE 



Election of members fl, 25, 



80, 110, 137, 169, 213, 232 



of officers 165 



Electric arc, radiation of 240 



wiiKliug-apparatus.etc. 153-157 

 Electricity, dynamic 89-110 



upon comets 255 



Electrolysiis 186, 187 



Elementary substances, 



181-183, 200, 244 



discovery of 181, 183 



" Elgin sandstones" 20 



Energy of sun 240 



Epidote at Cranberry mine 221 



with chalcopyrite 121 



Ereniacausis 118 



Erosion of continents 78 



Error of clocks. . . .153-154, 158-162 

 Eruptive rocks... .121-130, 222, 230 



Esquimaux use of iron 227 



Essonite 75 



from Delaware 225 



Ether, luminiferous 77 



solidification of 191 



Ethylene 191 



Evolution of solar sjstem 249 



ExperimenUi in electricity. .89-110 



Explosion of Flood Rock 14 



Explosives 194 



Feld- pir in New York Island. 77 

 in San Juan Mountains, 



121, 128 



Ferns, in cretaceous 134-136 



Fibrolite, Indian scraper of.... 72 

 Filth ma^s of meteoric iron.. . 224 

 Fishes, fc.ssil of North Amer- 

 ica 233 



Flood Rock explosion 14 



Flora, cretaceous, of Nortli 



America 133-137 



of " Amboy " clays 130 



of tertiar}' <ige 137 



Florida, unknown vertebrate 



on shore of 165-168 



Fluids, solidilic:ition of 191 



Forniulte, giapliic 195-197 



Fossil fishes, of North Amer- 

 ica 233 



of Chemung and Catskill 



(title) 281 



Fossil plants, from " Dakota" 



sandstones 133-134 



Freight rates of railways 150 



PAGE 



Fuel of locomotives. . .144-146, 150 

 Fungi, acid secretion of, 



71-72, 114, 118 



inducing decay, etc. .110-120 



Furf urran 195 



Galena changed to sulphate., . 130 



in Indian mounds 73-74 



in San Juan JMountains, 



123. 126, 128 



Gallium 183 



Garnet 75, 263-265 



almandine 80, 265-266 



asteriation in 225-226 



from Colorado 265-266 



green, from New York 121 



large, from New York. 



80,265-266 



in North Carolina 222, 266 



Gases, liquefaction of. ,. 190-191 



Genealogy of mammalia 89 



Geological age of North Atlan- 

 tic Ocean 77-79 



Congress at Berlin .... 20-25 

 notes in Virginia, etc. .215-223 



Gizeh, borings in stone at 120 



Glacial-drift hills 228 



Glucose 194 



Gjieiss 222,263 



bordering Trias 19-20 



Gold, crystals of 277 



in pyrites 192 



in San Juan Mountains. . . 128 



Granite, disintegration of 62-69 



on Staten Island 228 



" Granules," on sun's surface.. 241 



Granuhte 221, 222 



Graphic formulae 195 



Great Appalachian Valley, .215-219 



Green quartz 229, 230 



Gurhofite 229 



Gymnosperms, in cretaceous, 



135-136 



Halectites, in Luray cave 217 



Hardness of Brazilian diamond, 



223-224 



Harlem, minerals of 74-77 



Harringtonite 77 



Heat of sun 240-241 



from moon 238 



from chemical energy . .. 189 



into electricity 90-97 



Hematiie 217 



Herderite, new locality 80 



