i INDEX OF PROCEEDINGS. 
PAGE 
Castoroides......++-seeeeee 30, 83 
Cave fossils in America... ... 14 
Central Park Museum. ..... 179 
Ceratodus....- Litiss Mere tales Ae eal 
Chalk in fermentation........ 1438 
Chemical elements, defunct.. 21 
Chemistry of fermentation... 284 
Chemung group.....----+--- 74 
CHICAGO ACADEMY oF SCI- 
WNOHS3 oc oeeme em eine = clere rire 283 
Chimeroid fishes..........-+++ 153 
CROMCECS ance = woken ies else 90 
Cinchona, analysis of......... 257 
Cinnabar from California ...37, 74 
Oisigdowe. «as. sels ES cebu . 168 
Civilization in America......- 4 
ClaystoneS......--seeeeeeetees 258 
Climate of Missouri region ... 72 
Clintonia.....2.--.+eeesee ee 71 
Clypeaster.....-20+-eerreeeees 236 
Coal of Orange Co., N. Y....-- 259 
Cobalt... let MLN Se 105 
Coccosteus......---.e2e8ee eo 219 
CodoruS OTre.....---+--++e2° 51, 61 
Coleoptera.... -----seereesere 163 
Colored rain. .......+0--2+-+% 272 
Colors of metals....... -++--- 85 
of rocks... ....++eceeseee 36 
CONDE eee ec cae eee 163 
Conferve .....--c cere recess 208 
Copper axe... ...-seeee eee 201 
glance ...-..-2-eersee cess 74 
hatchet from New York.. 218 
implements from Mexico.. 241 
148 
mining in Cuba ......-. : 
mining, prehistoric....... 5 
pyrites from Texas......-- 9 
Corbicula ........sceeseceeees 28 
Corylus Americana, ....++++++ 201 
Cosmarum ...+----++-+2+-+--2s 272 
Cretaceous fossils .....------- 30 
plants ......seeese-0-s 148, 244 
Crinoidal fragments in Quebec 
limestone.......--+-e+++-> Wve 
Orotalus .......-eeecereeerese 163 
Cruorinteee Lee een cr 173 
Crustacea of N. A......------ 253 
Cryolite .....-.--e-eeereeeres 88 
utensils Of......--++-+++5 220 
Cryptogamid.....+++-++s0e0e- 208 
Crystallization of minerals.... 217 
Cuprite from Cornwall.......- 151 
Cyclas 2.00. e es ccescsecccere 72 
Cyclotella ... 1.2... eeresecere 115 
Cylindrella rosed...+.++++++++ 243 
Trinitarid......e+see+e08 198 
Dadoxylon.....++5++ : 
PAGE 
Dakota, travels in.........-++. 64 
Danais archippus... ....++++- 297 
Deep-sea dredgingSs......++.++. 106 
“‘ Defunct Elements”.......-- 21 
Degeeria domestica.......-+-+ 256 
Demonstrating microscope.... 161 
Dendritic manganese........-- 36 
IDEGIUIOMWT?. etre aciob oa C55 22° 209 
Devonian fishes ..... ....---- 152 
Diamonds, 
33, 152, 174, 188, 199, 289 
Diatomacee. .. 27, 32, 42, 47, 
89, 98, 109, 230, 282, 242, 292, 296 
Dinichthys .......2+-++sseeees 153 
ID TOIT ROR gene eee nyaGD COOd = 103 
Dredgings..... ...---.+++: 41, 106 
“Dried blood”... .... Jase 136 
Dribtenneme em eet eerie 77%, 178, 222 
1 Dakotas a. teeteaere atereiae 69 
Dynastes Hercules. ......++-++ 155 
TIC YUSE < ois jeroocom elt 155 
Echinoderms ....:....0). 1s 236 
Election of officers........156, 158 
‘«Blectro-silicon” ...... 89, 98, 188 
Elements, chemical defunct.. 21 
Pilephas ...... sos. das eisiels sole 7ith ete: 
AMeTriCAnUs....0...ceres 241 
PTIMIGeNCUS.....+.e2erees 70 
Embryology.......--- 209 
Emeralds from S. America... 297 
Encrinus liliiformis.......+-. 187 
Eozoon Canadense.....- 89, 97, 240 
Epigea repens.......+e0% .. 201 
BIQuus...... cece cevccece tee 163 
Esox Islebiensis... ......++ 94, 95 
Huglend.......++eesceeeeeces 215 
Euomphalus..... 0.0002 seer ees 90 
VETUITC) oa is od sia1wie si seletold Sine 150 
False gems.....---+++ seeeeee 255 
Fauna of deep sea.......+.+-- 108 
of Missouri Valley........ 71 
Feldspar, green, from Maine.. 61 
in Palisades.........-+++: 103 
Felsites of Palisades ...... 244, 283 
Fermentation........+++-- 200, 284 
butyPic......6. se eceeeenes 143 
Fishes, fossil of Devonian. 152, 197 
from Africa ... jo: le eels 219 
of-Cuba «,sos-teeneeeree 94, 151 
Flora of Missouri Valley.. ... 70 
Foraminifera. ....-- 42, 198, 239 
Fossil elephants in America.. 77 | 
Ohiggenseee. = See eats 152 
