ee 
Xl 
PAGE 
Geology of country traversed 
by Northern Pacific 
Railroad......--2.-s: 56 
of Porcupine Mountains. 14 
of vicinity of Golden, Col. 77 
of Yellowstone Park .... 34 
Georgia, minerals from...... 13 
Geysers of Yellowstone Park. 7 
Gibsonville, N. C., supposed 
: emerald 12-13 
Glacial boulders in the Great 
Hudson Valley 24-26 
epoch and _ subsequent 
warmth 92-93 
epoch in North America. 102 
erosion in North America 
51-52 
eee ere orce teers 
ee eeee 
gravels at Trenton 
phenomena at Ontonagon 
strie on Shawangunk 
Mountain 27-28 
Glaciation of the Shawangunk 
Mountain 22-30 
Glacier-ice, erosive power of. 
51-52 
Glen Cove, N. Y., leaf-bear- 
ing sandstones....... 30-31 
Gletscher Milch, produced by 
erosion 
Golden, Col., geology of..... 
Grange associations, scientific 
AUPOTACE. «aa icye os eeute chee 
Graphite 2,50 
Gravels at Trenton, imple- 
ments found in 
Greenland, minerals from... 
Green River, Col., Eocene 
IpMeStOMe At. oie wile ais 13 
Guyot, ARNOLD, life of .. .66-68 
ee eee eee eee 
eee e coe ese ee 
eer e eee eoe tose 
Gy PSU i. 2 5 ceeye pines 19 
Hartford, Conn., gasteropods 
ii StECCtS Of eo eer - 20 
Head of sandstone from 
Staten (sland wc io otsles2 81 
RGEC CHIte Jorn sein ae sic -hineinte i 37 
Agel CHILE yeoala setae setis 2 38 
High Point, N. Y., lake at... 29 
Honey-ants of New Mexico.. 103 
comb, artificial formation 
Ramee tare bevoyovette clerere 107-108 
Honorary members, list. . 123-125 
PAGE 
Houghton, Mich., ancient 
mining excavations at. 14 
EOPPEL/OLES .sc's.temee I 
Hudson Valley, boulders in. 24-26 
Humboldtilite in slag ....... 104 
Hungary, minerals from..... 104 
Huron shale of Ohio, contain- 
ing Dinichthys:.:.:... 20 
Hydraulics of the Mississippi. 
82-83 
Ice-caves in the Shawangunk 
Rangex'. sss deemaeiehs 23 
erosive power of....... 51-52 
movement, direction of.. 24 
Idaho, minerals from....... Dee 
Implements of argillite...... 9 
of flint at Amiens....... 80 
Indian arrow-heads near Tren- 
50 BE area a es gM Bee 8 
arrow-heads in Oregon.. 63 
mythology of Sacramento 
Valleys. et Sos. cee 55 
Indurated shales at Bergen 
is GY Papin Pa ee 5 7 
Insects, fossil, at Florissant... 13 
specialization of sex in... 103 
Inundations of the Mississippi 
RAST 5 os 5 cise ee 82-83 
Iron wire,curious corrosion of.65-66 
Jade ornaments from Ober- 
GET eid a Shh sia ts 6 62 
Jebel Nakous, sonorous sand- 
Ba eh 2 ond 0 98-99 
Joints in the Shawangunk con- 
slomerate. or 2.9 6 .--% 23 
Kauai, sonorous dune....... 98 
Krakatoa, distribution of vol- 
canic dust of..60-61, 64-65 
microscopic examination 
Ofrashy- s\sccerece 14, 63-64 
Kyanite in mica schist ...... 22 
Lake Champlain, colored mar- 
blestAG <5 hein sees GO 
at High Point, N. Y..... 29 
Meris, Egypt, survey at.78-79 
Mohonk and Minnewas- 
| eR 27-30 
Nicaragua, species of 
SAE MINS arse) erm slate, as 38 
