s 



Page. 

 Committee on completion of 

 volumes o( State Geo- 

 logical Survey.. 85, 99-100 

 on mrmorial of Dr. J. 



W. Drap-r 'J'J 105-108 



on memorial of Dr. A. 

 L. Hoiley .. .108,147-149 

 Copper at Abiquini, r<ew 



Me.Kico 20 



gray, Ulay Mines, Col. 3 

 p;oducts, hcldmg siiv=r 



and telluriutn 4 



region in Northern Texas 



15-20 

 reg'on in Indian Terii- 



tcry 19-21 



Cosmop li an time 91-94 



Crawfish in caves 59, 65-67 



Crenic acid in peat 76 



Cretaceous strata 1 5-24 



Cupnfied wood of Texas. . . . 17-21 



Curves of efificiencv 113-114 



Datholite from Weehawken, 



N. J 129 



Dentition of elephants 153 



Diabase 21 



Diopsid* from De Kalb, N. Y. 136 



Dioryte -i> 49 



Diphenylamine-acrolem . ..127-128 



Discovery of North Pole 4v';-48 



Distributi n of tmie, mode of. 86-87 

 Draper, J. W , memori \\ of. . 77, 105 



-108, 163 

 Drift-Hills of Western N. Y. 77-80 



Eleciion, annual 126-127 



Electrolysis, literature of 163 



Elephant, African 153 



Emeralds in North Carolina 



101-105 



Erosion in Catskill mts 24, 31 



in valley near Charmouth, 



Eng 27 28 



of limestone 60, 65 



Excavating po act of glaciers. 2 -30 



Exploration of Arct'C 46-48 



Faul;s in Souhwcst Virginia. 159 



3t Covc Creek, Uiah 171 



Felsyie 21 



F"ish, blind, in caves 59. 64 



Flexure of strata in Catsk Us. 24-25 

 Fluid-bearing quartz crystals. 



131-136 



Page. 



Forces, unity of 98-99 



Fossils, new species from Ohio. 95 

 Fusion-stiuctures in meteor- 

 ites 15.3-155 



Glaciation in Catskill mts.. .24-31 

 on New York Island... 30 

 en Staten Island, N. Y.. . 57 

 inWcsternNew York. ..78-79 



Glaciers 167 



excavaHng power of... 29-30 

 in Western New York. . . 79 



over CatskiUs -4-31 



Gold deposits in N. Y i 



at Mt. W heeler, Nevada . . 7 

 Governm^^nt commission fur 



testing iron and steel. . 149 

 Granyte, disintegration of . . . . 168 

 Guatemala, obsidian imple- 

 ments 105 



! Gunnison, Col., iron ores. ... 7 

 Gypsum in Northern Texas. . 17 

 Utah and Nevada .... 172-173 

 Heating surface required m 



steam-pipes 67-70 



Hematite of Gunnison, Col ... 7 

 in Southwesc Virginia. . . 162 



Hiddenite 2, 102 



High tides, as geological 



agents 80-85 



Hoboken serpentine 58 



Holley, Dr. A. L., mem'irial of. 



ro8, 147-149 

 Horizontal moon, enlarge- 

 ment 116-118 



Hornblende slate 59-57 



Hot spring at Pagosa, Col. . . 7 

 Hudson valley, glaciation in.. 25-26 



Idaho, forests 5 



mining 4-5 



volcanic tuffs 49-5° 



Indian Territory, copper 



region 1 9-20 



International time-system. ..86-95 



Implement, she.l 121, 147 



stone 49, 85, 105 



Iron and steel, testing 149 



ores 7, 162-163 



Karnes in Catskill Mountains. 27 

 Kaattrskill Creek and Clove, 



N. Y 24-27 



Kerosene oil, methods of ascer- 

 taining safety of . . . . 1 37-143 



