Page. 



Cascade Mountains, glaciation 



in 155 



Catania, Sicily, amber 85 



Catseye ... 26, 42 



Catskill group 8 



Caves 36-41 



of Staffa 3-6 



Cemeteries, decay of stone in, 



124. 129-133, 135 



Ceresine from ozokerite 48 



Chalcedony 117 



Chalcophanite 64 ' 



Chalcopyrile 25, 149 [ 



Chaldean Account of Crea- 1 



tion 107-1 10 



Cham plain clays 2 



Chemical notation, history of, 



53-57, 102-IC6 

 Chihuahua, botany and geology, 



66, 90-95 

 China, mesozoic coal-plants. . 151 



Chromium in iron ores 17 



Chr}'soberyl 42, 64 



Climate, aridity near Rio 



Grande 90-91 



Clinton iron-ore 1 5-16 



Clintonite 26 



Coal in Texas 94 



physical conditions in for- 

 mation of 50 



plants from China 151 



Coal-measures, carbonates. . 14-15 



flora 50 



Massilon, Ohio 87 



Columbite 42 



Comet, Gould's, observations 



on 18-23 



Concretions of pyrite 1 38-1 39 



Copper, carbonate 1 50 



native [50 



silicate . 150 



sulphuret 1 50 



Corundum from Mexico 117 



Creation, account of 106-1 10 



Cretaceous in Chihuahua and 



Texas 90, 94-95 



marl-belt of N. J... 9-13, 85, 



138-139 

 Cryptidine 63 



Curasao, flora and fauna 151 



terrestrial molluscs.. . 151-1 52 



Damourite 25 



Page. 



Dates of erection of pyramids, 



1 1 5-1 16 



Datolite 88 



Decay of buildmg-stone. . . .67-79, 



120-138 

 Determination of organic mat- 

 ter in water 11 i-i 14 



Devonian formation i 



Dioptric and diffractive images 83 



Dioryte 94-95. ^49 



Discovery of tablets in valley 



of Euphrates no 



Disintegrated sandstone at 



New Durham 1 1 7-1 20 



Dolomyte, durability 128-130 



Draper, Dr. H. W., memorial" 



of 36 



Dufreynite 13 



Durability of blue sandstone, 



126, 136 

 brown sandstone. 122-124, 136 



buildmg-stone 73~7S 



gneiss 135-136 



granyte 134-135. 136 138 



limestone 128, 136-13/ 



marble 128, 133. 136 



Dorchester sandstone, 



124-12 , 136 

 Ohio sandstone. . 125-126, 136 



Duties on specimens 79 



Earth-wax, deposits of 43-5<^ 



Economical expansion in steam 



engines, absolute limit. i 



Egypt, pyramids of 1 14-1 16 



obelisks of 1 38 



Election, annual 98 



Emerald from North Carolina. 3 



Epidote 25,150 



Erection of building-stone on 



edge 122 



Erosion of caves 3-6, 39-40 



Eurypterid, new, from Catskill 



group 8 



Evolution of vertebrata 64 



Experiments on durability of 



sandstones 127 



Fat in human milk 14° 



Fingal's cave 37 



Fishes, Devonian, from Ohio 



and New York 144-14? 



from St. Lawrence i 



Flexibility of marble 1 30-1 33 



