GENERAL INDEX. 
PAGE 
N. Y. Mineralogical Club.... 8, 46 
N. Y. State Forestry Associ- 
CHAGIES Sor o5\ oe, cea ss 37, 38, 40 
N. Y. State Medical Associ- 
ation 
Nicarz gua canal-route, 165, 168, 
69, 170 
Nitrous oxide, early experi- 
HEIGIOS WADE ssc. « 5 fou os 68 15, 16 
North American amber... 
North Carolina, gold of...139, 140 
MmInMeralsyOr: 2.2...) 532 160, 161 
tin-deposits of, ..... .136-151 
RASTA eran espe sos oe a<,- 2505) LO> 
SlemnIs Eligs noc) cls aes 159 
Senin MWB. ates ons eka 159 
Officers, election of ........ . 129 
reports of, see Contents. 
Oil-field of Colorado......... 25-28 
Oils, see Petroleum, 
Ca OAM TORNIG. <6. ss 5s en 2O 
“017 OEY CVG ER ee a 25 
of Colorado...... ....--.25-28 
Gbbndia <2. 2c. ea. ara ees, 
BERENS oo SEs a a ae og 20 
RBEOIOS Se ynicn t-eic seven eters 25, 28 
of Pennsylvania syetais a ipl 25 
ofthe Caspian;:..... 9.5... 28 
Olenellus zone, place of...... 17 
7 2) A ee eae 2 
Olivine, in meteorites. .. .161, 186 
TS a 17, 30, 159, 161 
Ophiolite SABER: ac ePen ae 
Oregon, fire-opal from. . Ba 161 
Organic matter in water.. 117+ 
Origin of petroleum.......... 26, 27 
Ornamental stones of N. A.. . 160 
Ornaments, palezolithic, ..... 133 
DT ENOGIABE Hens os. evecics < xe 12, 58 
OZGKOGEIGG. 3. *i5.5)c evens es aati eO 
Paleolithic ornaments........ 133 
BMRMOOOUR acta. «x's vain fe 132-135 
Paleozoic crustacea.......... 152 
Panama, humidity of.. 85, 86 
PORMIGES Ab. .20 cece 85-114 
Panama canal .. 165, 168, 169, 170 
Paradoxides zone, place of.... 176 
Paris Exposition.......... 152, 160 
Patrons of the ACADEMY...... 207 
Pavements of cities...... . 41-44 
Pearls, American ........ 162, 163 
2 er eee ae 162 
PAGE 
GC IOIIGE tae tac ercyie wi ete seers « 162 
ROS miait@r ess) =) wacss 402 20400 
IPELid Obes os reser cee ee 538, 161 
IRETISEOVIGE sn) aes.ee ee eee 162 
Petrified wood from California, 
29, 30 
from New Mexico........ V7 
Petroleum, see Oils, 
OL. COlOTADOL ees cokes es so 25-28 
BG OE wit cates ae scenes « 25, 26 
eharacteror.c--. +s... ss 26 
OLIPIN OL) = cacte 22 26, 27 
PANACOMLE Gl oh se cee siven cics cece 54 
Phenacite.. spe EP 
Philadelphia, ‘rocks of....... 47-53 
biladelphiber. <.s. oe.<\s.sic1'c.6 50 
Photometry, solar ....... 156 
Pitch-lake of Trinidad........ 26 
ISCAS AIMIN sc « ccraseie oie fcc 149 
Plastic clays, new fossils from, 
Wy Ware Hes: 
Plants or ATizOnas.. ose steo- - 61-81 
POnGSe builds rc cpe acre oye 117-125 
Porphyritic gneiss............ 49 
OCD MW Ge tees ices tc eck. = 162 
Portraits of Priestley........ 17-20 
Potsdam rocks of S. E. Penn., 
48, 50, 51 
Precious stones of N. Amer... 160 
Premlacial prev tcc acs ca. 179 
PTOONILG SS one ne eee cee coke 2 
PRIESTLEY. Dr. J OSEPH, pee 
" nesses of eg EN —20 
“ Lunar” associates of. .23, 24 
Protective mimicry.......... ‘117 
PEOtoehlorite. sce. .s/tes.c00% « 53, 54 
IBSATHINEO oS se caw nie fo AO Ae 
Pseudomorphs.......... 45, 54, 60 
Publications of the Ac ADEMY, 
PRC 8 es ba ly (oes ea Wet 152, 177 
Pyrallolite Tae eee see 59 
Pyrite . .04, 56, 57, 60, es 
RV LODGE sittin sete terec ts, ietetete sre 
BAYLOR OAC ote cierto emai ote «area ore "BE 
PAV TOXENILO 4 occ eeye vm icyaiseiie’ ise 53, 55 
EV EGNOULC Ss ss:<, 0/2 «cece neat Tahfeie: 2, 54 
Quaker Bridge Dam....... 117-125 
AORALEZ SOUIS ae v0 0m ct p< osm 161 
MNGLUBIONE's 5.)¢ 2 5!s seuss 21, 161 
SSOHAMORD ier aieeiie sacs 12 
SIEEAD EE igo Slate charhc yiacetts ese a a2 161 
TE) AEE Sie i ae Sie 53, 54 
Quaternary of Staten Island, 
177, 180, 181 
