10 



Page. 

 Mesozoic coal-plants from 



China 151 



Metallurgic astronomy 53-54 



Meteorite of Alfianello , . 117 



Methods of analysis 26-35 



Mica 3, 147 



slate 73 



Microscopic examination of 



ores 34 



observations, errors in. .81-83 



Milk, human, new fat in 140 



Minerals of Weehawken tun- 

 nel 88-90 



Mineral wax or ozokerite. . . .43-50 

 Mining, Chihuahua 94-95 



ozokerite 43-5° 



Moisture, as erosive agent .... 4 



Monazite from Maine 42 



Motions of amoebce 82 



Mound-builders 41 



Muscovite 147 



Myths, Chaldean 106-1 10 



Nantucket, amber 85 



NatroHte 89 



New Durham, sandstone of, 



117-120 

 New Jersey, amber 13, 85-87 



franklinite ores. ....... 26-35 



marl-belt 9-1 3, 85 



shell mounds 143 



New York and Brooklyn bridge 72 



building stone. 67-79, 120-138 

 North America, ancient glaci- 



ation in 1 55-1 59 



Caribs in ... 142 



North Carolina, amber 86 



gold 79 



ores 149-150 



Notation, chemical 102-106 



Nova Scotia stone, durability 



of 124-125, 136 



Nuggets of gold 79 



Observations on Gould's Comet, 



18 23 



of transit of Venus 51- 52 



Obsidian 36 



CEnantholaniHne 62 



CEnantholnaphthylamine 62 



CEnantholxylidine 62 



Ohio, coal-beds 87 



sandstone, durability of 



125-126, 136 



Page. 



Orbits of comets 22-23 



Ores and minerals of Sussex 



County, N. J . 25 



North Carolina 149-1 50 



Organic compounds, new.. 62-63 



matter in water, deter- 

 mination of 111-114 



structure in graphite 148 



Origin of carbon in shales, uo-m 



graphite 148-149 



iron ores 6-8,13-17 



Orsat-apparatus loi 



Orthoclase 25, 147 



in sandstone 1 19-120 



Oxidation of pyrite 139 



Ozokerite, deposits 43-50 



Paint, use on building-stone. . 78 

 Paraffine from ozokerite. .. .48-49 



Pargasite 149 



Pectoiite 88 



Petroleum 43 



Photographs of caves 41 



Physical conditions in forma- 

 tion of coal 50 



Pointing of building-stone. .. . 123 



Porphyry 94 



Prehnite 88 



Preservation of stone, artifi- 

 cial 77-78 



Priestley, Dr. Jos., decease. . . 111 



Products of ozokerite 48-49 



Protection of building s'.one. 76-77 



Pyramids of Egypt 1 14-1 16 



Pyrite 25, 90, 94, 138-139, 149 



Pyroxene 9, 25 



Pyrrhotite 25, 147 



Quartz 1 00, 118 



Remains of fossil fishes. . . 144-147 

 Report of Corresponding Sec- 

 retary 95 



Librarian 98 



Publication Committee.. 



98-99, 154 



Recording Secretary. . .97, 98 



Treasurer 96, 97 



Resins, fossil 85-87 



Resolutions passed. :54, 62, 79, 100 

 11 1, 116, 154 

 Reticulate structure of livmg 



matter 79-84 



Rhodochrosite 64 



Rhodonite 28-35 



