9 



Page. 



Fluid cavities in topaz 42 



Fluorite 25 



Foods 95 



Fossil resins 85-87 



Franklinite 64 



ores, analyses of 26-35 



Gailenreuth, bone-cave 37 



Galena 94-95- ^49 



Garnet from New York Island. 9 

 Gas-analysis,improved method 



101-102 

 Geikie on decay of marble .,132-133 

 Genesis of crystalline iron ores, 



6-8, 13-17 



Geodes of chalcedony 9 



Geology of Texas and Chihua- 

 hua 66, 94-95 



Giant's Causeway 3-5 



Glaciation 2 



in North America 1 55-i 59 



Glauconite 10, 12, 85 



Gneiss 70-72 



durability of 135-136 



Gold. ..50, 79, 94-95, loo-ioi, 149 



Gould's comet, spectrum 20 



Granyte 25, 70-72 



durability of . 134-135, 136,138 

 Graphite-vein at Bloomfield.. 147 



Ticonderoga 148-149 



Great Pyramid 1 14-1 16 



Great telescopes of the 



world 1 50 



Greensand lo, 12, 85 



Grotto of Capri 37 



Gypsum in caves .... 38-40 



Health-foods 95 



Heat of sun, action on stone. . 123 



Hematite 7-8, 14-17 



History of chemical notation, 



53-57, 102-106 

 Hoboken. N. J., buildings 



of 67-71 



Horseshoe crab, larvse. . . . 106-107 



Human milk, new fat in 140 



Huronian iron ores 6-7, 17 



Ice-period, theory of ...... 1 57- 1 59 



Idocrase 25 



Indians, Iroquois 57-6i 



skeletons at Far Rocka- 



way 140-144 



Infant-foods 95 



Invalid-foods 95 



Iron ores 64 



crystalline 6-8 



genesis of i3-^7 



of Iron Mountain 15 



Iron sands, concentration of, 



7-8, 14-17 

 Iroquois Indians, language. .57-61 



Italy, ozokerite deposit 46-47 



Jasper II7 



Jersey City, buildings of 67-71 



Kjoekken moeddens 141-143 



Koch's method for develop- 

 ment of bacteria. .. I13-1 14 

 Land-shells of Curasao, Buen 



Ayre and Aruba. . .151-154 



Porto Rico 150 



Language of Iroquois Indians 



57-61 



Larvse of Limulus 106-107 



Laumontite 89 



Laurentian formation 7 



iron ores 7-8. 14-^7 



Lava caves 3^ 



Lichens, attack on stone 123 



Life of building stones, in New 



York 136 



Lignite 86 



Limestone.. 11, 16, 25,69-72, 85,95 



caves in 3^-4^ 



durability 128, 136, 137 



Limit to economical expansion 



in steam engines I 



Limonite 7, I4-I7 



Limulus, larvae of 106-107 



Living matter, structure of. .79-84 



Loxoclase feldspar I47 



Luray Cavern 38-41 * 



Magnetite 7- 8, 1 3-1 7, 94 



Mammoth Cave 38-41 



Manganese-oxide 14. 17. i°° 



Marble 38,71-72 



durability of 128-133, 136 



flexibility of l3o-i33 



Marl-belt of New Jersey. .9-13, 85 

 Mechanical science, researches 



in 18 



Meeting, annual, 95-100 



Members, election 24, 42, 62, 



79, 100 

 resignation.. .9, 42, 57, 62, 154 



decease 2, 36, 67 



Menaccanite 7 



