IN-DEX, 



473 



Ford, W. E., chemical composition 



of dumortierite, 426. 

 Forest Reserves, U. S., Gannett, 70. 



Gesteinskunde ftir Tecliniker, etc., 

 Einne, 463. 



Gibbs, J. W., Elementary Principles 

 in Statistical Mechanics, etc., 69. 



Gilbert, R. D., precipitation of am- 

 monium vanadate, 205. 



Girty, G. H., upper Permian in west- 

 em Texas, 363. 



Glass, plasticity and adhesiveness of, 

 Piccard, 456. 



GEOLOGICAL REPORTS AND 

 SURVEYS. 



Iowa, 1901, Calvin, 391. 

 Kansas, 461. 

 Louisiana, 314. 

 Michigan, Lane, 393. 

 United States, 21st annual report, 

 70, 389, 46i: 



GEOLOGY. 



Alkaline rocks from the region of 



Ampasindava, Lacroix, 396. 

 Alpen, die, im Eiszeitalter, Penck 



and Bruckner, 315. 

 Carboniferous ferns, Sellards, 195. 

 Clays of the Boston Basin, Brown, 



445. 

 Cretaceous outliers in California, 



Hershey, 33. 



— turtles, Wieland, 95. 

 Crossotheca and Myriotheca, fronds 



of, Sellards, 195. 



Dikes in Syracuse, New York, erup- 

 tive, Schneider, 24; petrography 

 of, Smyth, 26. 



Economic geology, Silverton quad- 

 rangle, Col., Eausome, 390. 



Eocene Mammalia in the Marsh col- 

 lection, studies of, Wortman, 

 17. 



Eparchasan interval, Lawson, 71. 



Eruption of Mt. Pelee, 312, 319 ; 

 peculiar character of, Verrill, 72. 



Eskers, origin of, Crosby, 316. 



Fossil brachiopod, Platystrophia 

 lynx, variation in, Cumings and 

 Mauck, 9. 



— plant from Illinois, Sellards, 

 203. 



— vertebrata of North America, bib- 

 liography and catalogue. Hay, 

 390. 



Geologic formation names of North 

 America, Weeks, 391. 



Geology of Quebec, contribution to, 

 Dresser, 43. 



Ice-sheet, action of, on projecting 

 rock masses, Hobbs, 399. 



Idiophvllum rotundifolium, valid- 

 ity of, Sellards, 203. 



Igneous rocks, chemico-mineralog- 

 ical classification. Cross, Iddings, 

 Pirsson and Washington, 461. 



size of grain in, Queneau, 70 ; 



Lane on Queneau, 393. 



Laccoliths of the Black Hills, Jag- 

 gar, 389. 



Lowlands of southeastern Missouri, 

 evolution of, Marbut, 392. 



Mammalia, Eocene in Marsh col- 

 lection, 17. 



Monzoni region in the Tyrol, petrog- 

 raphv and geologv^ Eomberg and 

 Doelter, 463. 



Newark system, former extent of, 

 Hobbs, 71. 



Niagara limestones of Indiana, Kin- 

 dle, 221. 



Permian, upper, in western Texas, 

 Girty, 363. 



Platystrophia lynx, variation in the 

 fossil brachiopod, Cumings and 

 Mauck, 9. 



Pleistocene geology of western New 

 York, Fairchild, 393. 



Plissements et dislocations de 

 I'ecorce terrestre en Grece, 

 Negris, 71. 



Potomac group of the middle At- 

 lantic slope, geology, Clark and 

 Bibbins, 392. 



Quaternary history of southern 

 California, Hershey, 71. 



Eocks in the Nile cataracts, black 

 color of, 64. 



Terraces of the Westfield Eiver, 

 Mass., Davis, 77. 



Triassic Ichthyopterygia from Cal- 

 ifornia and Nevada, Merriam, 

 467. 



Vertebrates of the Northwest Ter- 

 ritory, Osborn and Lambe, 393. 



Volcanic eruptions of 1902 on St. 

 Vincent and Martinique, 73, 312 ; 

 Hovey, 319. 



Volcanoes, Hawaiian, Kau, Emer- 

 son, 431. 

 Gooch, F. A., precipitation of am- 

 monium vanadate, 205 ; estimation 



of bromic acid, 285 ; reduction of 



vanadic acid, 369. 

 Grundriss der qualitativen Analyse, 



Bottger, 65. 



