PaGE 
Betws co emite es ele 2, 38," 107 
PSNO EIU Stag aisiein) -\ara)el= wicheisiarsinis 49 
Blocks of conglomerate, sepa- 
FAMON, Oleic anes 23, 29-30 
Bornholm, Denmark, ‘‘sing- 
ING sDEAEGY ast eee 97 
Botanical Collection of the 
Academy low svn 42 ek 32 
Boulders in Great Hudson 
Age ee rrae Nene 24-26 
of rock-crystal from 
Alaska gas sate se ceteicle = 81) 
Brazil, minerals from..21, 34, 107 
Bridge at Pittsburg, decay of 65-66 | 
Brilliant colors of redsunsets 32, | 
60-61, 64-65 
Building-fund, old, list of sub- 
SCHIMEIS ese oe sae 109-111 
Galcite saree iS se etnies bela g 
curious crystals from 
Colorado 27.002... 19, 20 
California, minerals from.... 72 
Cameos, process of cutting .. 105 
Ganada, minerals from ...-.1, 2, 7 
Carbonic acid in the atmos- 
PELE’. 5 swommiror eer 40-41 
ancient abundance in at- 
MOSDIRETE Sec see = gI-92 
innatoral waters]. ses. 42 
Carboniferous period, equable 
Glimate Paserene sce: 94 
sharks, armor (Ofs..-.- 3. 54 
Caribbean Sea, waterspoutsin 3 
GaAMelatie- Sens sete eae ee 62 
Carved sandstone head from 
Staten sland). : ov. 81 
Castings, ancient silver. .15, 62-63 | 
Casts, screw-like, in Chemung 
SANGSLOMES ayo erie ee —34 
Causes of red sunsets .60-61, 64-65 | 
Gevlon; penis from). a. . = a: 17, 107 
Chabagiter ne. Ut aes ope ems * 18 
Chalco pyrite... iow. «= 4.0% 6c 2a 
Champlain deposits........ 10, 23 
elevation Of.) sc nuwkn 9 
Change in position of the 
CAMS EIS. 4 <tos >. 5 89-90, 95 
Charter, Constitution, and By- 
Laws of ACADEMY... 153-168 
Chemung Group, fossil fishes. 32 
screw-like casts 
X 
Pace 
Chesapeake Bay, singing 
beaches On:)<.5 anes 73-74 
Chili; copper axe from ..25. 15 
Chiriqui, gold images........ 63 
(CHIOPrIEC, Cae etisie tn os Axo 15750 
Chlorophane, phosphores- 
CENCE Olen en hee 77, 1GO 
Circulation of the atmosphere 61 
Clay of the ‘‘mud-geysers”... 7 
|Climate, alternations of geo- 
logical Oe hanec esis 2 94-96 
of Spiizbereente - ooo ee 85-87 
Colberg, Prussia, “ singing 
beach’, s..cs.tenyaceenee 
Colorado, fossil fishes near 
Green. River-isot inact 13 
fossil insects at Florissant 13 
fossil palm at Florissant. 77 
fossil plants at Golden .. 77 
muinerals from 24.26.48 13 
siliceous sinker: t<2.2- ae 6-7 
silicified WHOd. .... 0 auee 6-7 
Coloration’ of marble, 72. IOI 
Colored marbles of Lake 
Champlain’... 7.0 cee 100 
Committees appointed....37, 71, 
80, 106 
Reports OL...) n- 12, 56-60, 70 
Conglomerate, Shawangunk, 
joints in... 2... see 23 
separation of blocks of .29-30 
Conifer, microscopic structure 
TGs Sea Nh Oe SER Ree 87 
Connecticut, minerals from.. 77 
Constitution of the ACADEMY. 
153-168 
Copper axe from Chilit.. .- 7; 15 
Carbonate. .uee sete << 2 
MEBELVIC eae es oem eee eee 25 uG 
ores of Triassic age....18-19 
series at Lake Superior.13-14 
silicate 
sulphide 
Corresponding members, elec- 
tion of..1, 18, 32, 37, 48, 72 
members, Mist je ale <r 126-137 
SEGretamyeerepOlta <<. . 68 
Corrosion of iron-wire cables. 
65-66 
COPUmA TIS. fata war tins se * 21,058 
ancient use in drilling 
LOGKS Eman c's 0 a 105 
