164 
INDEX. 
Page. 
Melonite, Stanislaus mine, Cal., mineral- 
ogical notes on GO-62 
analysis of 61 
Mente, A., cited on diimidodiphosphoric 
acid 91 
cited on dimetaphosphimic acid 84,139 
Metaphosphimie acid, consideration of 
amides of 140, 152-153 
paper of cbloronitrides of phosphorus 
and 77-153 
Metaphosphimie acids, higher, discussion 
of 136-153 
Mica, Laurel Hill, Ga., percentage of 
vanadium in 55 
Micas, formula' for 27 
Miller—, reference to 82 
Molybdenum, distribution and quantitative 
occurrence of vanadium and, in 
rocks of the United States 49-55 
Monzonite, Tintic district, Utah, percentage 
of silica, vanadium, and molyb- 
denum in 50 
Mouiiot, A., reference to 49 
Muscovite, alkaline reaction of 156 
formula for , 27,28 
solubility of and percentage of alkalies 
in 159 
Natrolite, Bohemia, alkaline reaction of. . . 157 
New Jersey, solubility of and percent- 
age of alkalies in 159 
Nepheline-basanite, Colfax County, N. 
Mex., percentage of silica and va- 
nadium in 50 
Nepheline-syenite, El Paso County, Colo., 
percentage of silica, vanadium, and 
molybdenum in 50 
Nephelinite, Uvalde County, Tex., percent- 
age of silica and vanadium in 50 
Nephelite, Litchfield, Me., alkaline reaction 
of 156 
Nitrilo-hexaphosphonitrilic chloride. See 
Chloride, nitrilo-hexapbosphoni- 
trilic. 
Nitrogen, discovery of chlorophosphuret of 77 
Nitrogen -phosphorus compounds, nomencla- 
ture of 78-79 
Norite, Cecil County, Md., percentage of 
silica and vanadium in 50 
Nosite, symbols for 24 
Octa-silver tetrametaphosphimate, analyses 
of 124 
observations on 123-124 
Oligoclase, solubility of and percentage of 
alkalies in 160 
alkaline reaction of 156 
Olivine-basalt, Kruzof Island, Alaska, per- 
centage of silica and vanadium in. . 50 
Orendite, Sweetwater County, "Wyo., per- 
centage of silica and vanadium in. . 50 
Orthoclase, alkaline reaction of 156 
solubility of and percentage of alkalies 
in 159 
Pearce, P., cited tellurium from Cripple 
Creek, Colo 57 
reference to 59 
Page. 
Pectolite, Bergen Hill, N. J., analysis of 14 
alkaline reaction of 157 
experiments relative to constitution of 14-16 
solubility of and percentage of alkalies 
in 159 
Penfield, S. L., measurements by 57 
mentioned 28 
notes on crystallography of calaverite 
by 59-60 
Penfield, S. L. , and Foote, H. W., analysis 
by 30 
cited on constitution of tourmaline. . ... 26 
mentioned 27 
Penrose, P. A. F., reference to 59 
specimens collected by 57 
Pentametaphosphimic acid, decomposition 
of 146-148 
discussion of 142-149 
Pentapbosphonitrilic chloride. See Chlo- 
ride, pentaphosphonitrilic. 
Penta-silver diimidotriphosphate, analysis 
of 112 
observations on 112-1 13 
Petzite, Norwegian mine, Cal., analysis of. 63 
Phlogopite, alkaline reaction of 156 
formula for 27 
percentage of vanadium in 55 
solubility of and percentage of alkalies 
in 159 
Phonolite, Colfax County, N. Mex., per- 
centage of silica and vanadium in. . 50 
Cripple Creek, Colo., percentage of sil- 
ica and vanadium in 50 
Phosphonitrilic chloride. See Chloride, 
phosphonitrilic. 
Phosphorus, paper on cbloronitrides of 
metaphosphimie acids and 77-153 
Phosphorus-nitrogen compounds, nomen- 
clature of 78, 79 
Plagioclase-gneiss, Amador County, Cal., 
percentage of silica and vanadium 
in 50 
Plagioclase-basalt, Uvalde County, Tex., 
percentage of silica and vanadium 
in 50 
Polyphosphonitrilic chloride. See Chloride, 
poly phosphonitrilic. 
Porphyry, La Plata County, Colo., per- 
centage of silica and vanadium in . . 50 
Potassium trimetaphosphimate, observa- 
tions on 100 
Prosopites, Utah, analyses ol 67, 68 
mineralogical notes on 66-68 
Protovermiculite, Magnet Cove, Ark., per- 
centage of vanadium in 5c 
Pyrophyllite, analysis of If 
experiments relative to constitution of. lG-ll 
Pyroxene from syenite-lamprophyre, Prow- 
ers County, Colo., percentage of 
silica and vanadium in 
Pyroxenite, Cecil County, Md., percentage 
of silica and vanadium in 51 i 
Quartz-diorite, Amador County, Cal., per- 
centage of silica, vanadium, and 
molybdenum in 5> 
