8 



Page. 



Cascade Mountains, glaciation 



.'" 155 



Catania, Sicily, amber 85 



Catseye ... 26, 42 



Catskill group 8 



Caves 36-41 



of Stafta 3-6 



Cemeteries, decay of stone in, 



124. 129-133, 135 



Ceresine from ozokerite 48 



Chalcedony 117 



Chalcophanite 64 



Chalcopyrite 25, 149 



Chaldean Account of Crea- 

 tion 107-110 



Champlain 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 



Chrysoberyl 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 138-139 



Copper, carbonate 1 50 



native 150 



silicate 1 50 



sulphuret 150 



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 



Curagao, flora and fauna 151 



terrestrial molluscs.. . 151-152 

 Damourite 25 



Pagb. 

 Dates of erection of pyramids, 



1 1 5-1 16 



Datolite 88 



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

 120-138 

 Determination of organic mat- 

 ter in water 111-114 



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 17-120 



Dolomyte. durability 128-130 



Draper, Dr. H. W., memorial 



of 36 



Dufreynite 13 



Durability of blue sandstone, 



126, 136 

 brown sandstone. 122-124. 136 



building-stone 73~75 



gneiss 135-^36 



granyte 1 34-135. 136. 138 



limestone 128, 136-13? 



marble 128, 133, 136 



Dorchester sandstone, 



124-12 , 136 

 Ohio sandstone. . 125-126, 136 



Duties on specimens T9 



Earth-wax, deposits of 43-5° 



Economical expansion in steam 



engines, absolute hmit. i 



Egypt, pyramids of 1 14-1 16 



obelisks of 1 38 



Election, annual 98 



Emerald from North Carolina. 3 



Epidote 25. 1 50 



Erection of building-stone on 



edge 122 



Erosion of caves 3-6, 39-40 



Eurypterid, ntw, from Catskill 



group 8 



Evolution of vertebrata 64 



Experiments on durability of 



sandstones 127 



Fat in human milk 1 40 



Fingal's cave 37 



Fishes, Devonian, trom Ohio 



and New York 144-147 



from St. Lawrence i 



Flexibility of marble 1 30-1 33 



