GENERAL INDEX. 



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

 following the General Index. 



For full titles of papers in this volume, and names of their authors, 

 see Table of Contents. 



Page 



Animal life, succession of . . . . 20 



self-defence, methods of. 53-55 



Annual growth-rings in plants 88 



Anthracite 7 



Antiquity of Man 7-12 



Ants, honey-, of New Mexico. 103 

 Arabia and Afghanistan, sono- 

 rous sand-hills 98-99 



Aragonite 7, 17, 20 



Arctic region, warm Tertiary 



climate in 94 



Argentite 38, 63 



Argillyte, implements of 9 



Arizona, minerals from 72 



Arkansas, minerals from 17-18 



Armor of ancient fishes 53-55 



Arrow-heads near Trenton, 



N.J 8 



of Oregon Indians 63 



of Palaeolithic age 81-82 



Artificial formation of the 



honey-comb 107-108 



Artistic uses of trance state. . 107 

 Atmosphere, carbonic acid in 



40-41, 91-92 



circulation of 61 



darkened by smoke .... 60-61 

 of Pittsburg, acidity of .65-66 



Page 

 Academy, Charter, Constitu- 

 tion, and By-Laws. .153-168 



history of 107 



library of 70, 106 



Actinolite 13. 49 



Activity of Cretaceous teliosts 54 

 Adirondack forests, destruc- 

 tion of 35-37 



Afghanistan, sonorous sand- 

 hills 99 



Agate 34> 62 



Alaska, boulder of rock-crys- 

 tal 81 



large oak-leaves 95 



Alternations of geological cli- 

 mate 94-96 



of temperature in North 



America 96 



Altitudes in the Shawangunk 



range 22 



100 



80 



Amalgamation of silver ores 

 Amelia County, Va., phos- 

 phorescent fluorite. .77 

 Amiens, France, flint imple- 

 ments at 



Ancient abundance of car- 

 bonic acid in atmos- 

 phere 91-92 



copper axe 15 



drilling of rocks by corun- 

 dum 105 



fishes, armor of 53-55 



mining excavations at 



Houghton 14 



silver castings 15, 62-63 



stone implements i, 7-12 



Baltic, singing beaches of. . .97-98 

 Basalt, containing native iron 104 

 Bees and other hoarding in- 

 sects 103 



Beet-sugar, cultivation of ... . 5-6 

 "Hill, N. J., indurated 



shales at 7 



Bergen 



