Index. 



395 



Ncmalite 31 



Nephelitp 6, 11, K! 



Nevis. W. 1 118, 192 



New Grenada, new bird from. . 356 

 New Jersey, geology of. 



See H\idson County, N. J. 

 Niagara Group. . . 148. 149, 151—160 



Niccolite 17 



Nitro-citric mixture, for mine- 

 ral-analysis 9 — 17 



Ohio, fost-ils of 19?— 244 



Carboniferous. . 226—282 



Hamilton? 215—218 



Helderberg 193—211 



Marcellus. ..213, 214, 



234, 235 

 Subcarboniferous .... 



2 19—226 



Oil-sprin£>'s, origin of 364, S65 



Oligoclase ' 6, 18 



Oligosiderous meteorites 291 



Olivenite 7, 12, 16 



Olivine 12. 17, 293, 294 



Ophicalcite 31 



Organic appearances in meteor- 



iites 297, 304—307 



Organic matter, in meteorites, 



300-304 

 Organic acids, action of upon 



minerals 1 — 18 



Oriskany beds 149, 160 



Orpiment 3, 10, 17 



Orthoclase 11, 12, 18 



Oxides, mineral, treated with 



organic acids. ... 2. 10. 11. 15 — 18 

 Ozone, occurrence of with hy- 

 drogen peroxide 22 — 27 



Pargasite 5, 11, 17 



Parian formation 189 



Peat of Staten Island 179, 182 



Pectolitc 12, 16 



Peroxide of hydrogen accom- 

 panying ozone 32 — 26 



Petalite.r. ..'. 5, 11, 18 



Pharmacosiderite 7, 13, 16 



Phlogopite 6, 11, 17 



Phosphates, treated with or- 

 ganic acids 2, 12, 13, 15—18 



Pliocene rocks of the West 



Indies 192 



Polybasite 4, 15, 17 



Polj^siderous meteorites 291 



Portage Group, 140—142, 145, 



149, 156, 160 



PAGE. 



Porto Rico, geologj' of, 117, 



120, 189, 191 



land-shells of 119, 124 



Post-pliocene rocks of the West 



Indies 119, 192 



Post-tertiary beds of Staten 



Island • 173—178 



Potassic hydrate 373, 375 



pyrogallate. 



376 



Potsdam sandstone 174 



Prehnite 12, 17 



Prochlorite 7, 11, 16 



Proustite 3, 10, 15, 18 



Pseudomalachite 7, 13, 16 



Psilomelane 17 



Pyrartiyrite 3. 10, 17 



Pyrite'. 10, 17 



Pj-rites in bituminous shales . . . 366 



Pyrolusite 17 



Pyromorphite 16 



Pyrope 5, 11, 17 



Pyrrhotite 16 



Quartz 5, 10, 18 



Quaternary beds of Staten 

 Island 173—178 



Eealgar 3, 10, 17 



Pvedonda, W.I 193 



Retinalite 12, 17 



Rhodochrosite 16 



Rhodonite 12, 16 



Rhyolite 292, 307, 308 



Richmond Co., N. Y., geology 



of, s^e Staten Island 161—182 



Ripidolite 12, 18 



Rock oils of Ohio 358, 367 



Rutile 4. 10, 18 



Saba, W. 1 118, 119, 134, 193 



Sadi Carnot, on thermotics. .19, 31 



Samarskite 18 



San Domingo, geoloiry of 



117, 121, 189, 191 



land-shells of... 132, 123, 124 



Sanitarjr influence of soils ... 60, 61 



Santa Cruz, W. 1 118—126 



186, 189, 191 

 flora and fauna of. . 117 — 126 



geology of 119, 120 



supposed desiccation of, 



185, 126 



Sargasso seas, deposits of 361 



Scheelite 8, 13, 18 



Serpentine H, 12, 17 



Serpentine rocks of N. J 30, 31 



