690 



INDEX. 



I 



Ichikawa, S., etched figures of Japa- 

 nese quartz, 455. 



Iddings, J. P., Volcanism, 318. 



Illinois geol. survey, 482, 607, 682. 



India, Board of Scientific Advice, 

 report, 685. 



Infection and Eesistance, Zinsser, 

 325. 



Ions, mobilities in air, Wellisch, 583. 



Iowa geol. survey, 132. 



— Pleistocene mammals, Hay, 320. 



J 



Jaggar, T. A., Jr., 1914 outbreak of 



Mauna Loa, 167. 

 Jamieson, G. S., determination of 



polythionic acids, 639. 



K 



Kansas, Brenham meteorites, 609. 



Kindle, E. M., bottom currents in 

 Lake Ontario, 192 ; limestone solu- 

 tion on the bottom of Lake Ontario, 

 651. 



Kraus, E. H., datolite, Great Notch, 

 New Jersey, 642. 



Lake Ontario, bottom currents, 

 Kindle, 192. 



— limestone solution, Kindle, 651. 



Leavening Agents, Hart, 685. 



Levy, S. I., Eare Earths, 312. 



Lewkowitsch, J., Chemical Tech- 

 nology, 122, 215. 



Library of Congress, 485. 



Lloyd, S. J., radium content of Gulf 

 of Mexico water, 580. 



Logik, Arithmetik, etc., Konig, 486. 



Loomis, F. B., new Mosasaur from 

 the Ft. Pierre, 555. 



Lull, R. S., Pleistocene ground sloth 

 from Rock Creek, Texas, 327. 



M 



MacDougal, D. T., the Salton Sea, 

 231. 



MacKenzie, J. D., primary analcite 

 in Crowsnest volcanics, 222, 571. 



McNutt, B., Electricity and Magnet- 

 ism, 314, 480. 



Manning, H. P., Geometry, 127. 



Martin, E. A., Dew-Ponds, 683. 



Martin, L., Physiography, 132. 



Mauna Loa, 1914 outbreak, Jaggar 

 167. 88 ' 



Mechanics, Applied,. Hancock and 

 Riggs, 680. 



Meteor Crater, Arizona, Barringer, 

 482. * 



Meteorite, iron, from Sams Valley, 

 Oregon, Foote, 80. 



Meteorites of Brenham, Kansas, 

 Davis, 609. 



— iron, new, Farrington, 483. 



Microscopy, Chemical, Chamot, 679. 



Milk, freezing point, 122. 



Mineralogie, Neues Jahrbuch, Fest- 

 schrift, 483. 



Minerals, Useful, 133, 134. 



MINERALS. 



Amethysts, Egypt, 483. Analcite, 



Alberta, 222, 571. Anorthite, 416. 



Clinoenstatite, 418. Connellite, 670. 



Cristobalite, 417. 

 Datolite, New Jersey, 473, 642. 

 Empressite, Colorado, 223. 

 Footeite, 670. Forsterite, 178, 416. 

 Lawsonite, Cal., 105. 

 Olivine, 176. 

 Pyroxene, 177. 

 Quartz, Japanese, etched figures, 



455. 

 Spinel, 420. 



Thaumasite, New Jersey, 134. 

 Thorite, Ceylon, 601. Tridy- 

 mite, 182, 417. 

 Vanadic acid, supposed, 404. 



Mines, U. S. Bureau of, 224. 



Mining World Index, 685. 



Minnesota soils, radio-active, San- 

 derson. 391. 



Minnig, H. D., separation of alumin- 

 ium, 197. 



Mixter, W. G., unstable chromium 

 sesquioxide, etc., 295. 



Molecular Association, Turner, 678. 



Moodie, R. L., Coal Measures Am- 

 phibian, 509. 



N 



Nahrungsmittelchemie, Kerp, 684. 



New Jersey geol. survey, 132. 



Nipher, F. E., Electricity and Mag- 

 netism, 219. 



Nutting, C. C, American Hydroids, 

 634. 



Oberhelman, G. O., estimation of 

 vanadium, 530. 



