INDEX TO VOLUME XLVIIL* 



Abajo Mts., Utah, geology, Thorpe, 



379- 

 Academy, National, meeting at 



New Haven, Conn., 402, 478. _ 

 Accelerations, direct determination, 



Galitzin, 394. 

 Adirondack Precambrian, Ailing, 



47- 

 Aeronautics, 249. 

 Alaska, Pribilof Is., geological 



notes, Hanna, 216. 

 Alcohol, Flint, 247. 

 Alexander, J., Colloidal Chemistry, 



160. 

 Alexander, W. B., Prickly Pear, 



475- 



Ailing, H. L., Adirondack Pre- 

 cambrian, 47. 



Antarctic Expedition Brachiopoda, 

 Thomson, 397. 



Arber, A., atavism and law of ir- 

 reversibility, 27. 



Atavism, etc., Arber, 2.J. 



Atoms and molecules, electrons in, 

 Langmuir, 69. 



Auren, T. E., absorption of X-rays, 



Australia, Prickly Pear, Alexander, 



475- 

 Aviation, Carmina, 473. 



B 



nature and bearings of 

 281; status of theory, 



Barrell, J., 



isostasy, 



291. 

 — obituary notice, Schuchert, 251. 

 Bechhold, H., Colloids in Biology, 



248. 

 Becker, G. F., obituary notice, Day, 



242. 

 Berger, W. R., Hogshooter gas 



sand, 189. 

 Berry, E. W., present tendencies in 



paleontology, 1. 

 Best, H., The Blind, 248. 

 Biology, Gruenberg, 477. 

 Birds of North America, Ridgway, 



402. 

 Blind, Social Survey of, Best, 248. 

 Bowen, N. L., birefringence of 



torbernite, 195; cacoclasite, 



Wakefield, Quebec, 440. 

 Broderick, T. M., organic remains 



in iron-bearing Huronian rocks 



in Minnesota, 199. 

 Bullowa, J. G. M., Colloids in Biol- 

 ogy, 248. 



I 



Carmina, B. F., Aviation, 473. 

 Carnegie Foundation, 13th annual 

 report, 400. 



— Institution, publications, 163, 

 401. 



Chemical Analysis, Qualitative, 

 Scott, 70. 



— Test and McLaughlin, 469. 



— Quantitative, Smith, 468. 



— Calculation Tables, Wells, 161. 

 Chemistry, Colloidal, Alexander, 



160. 



— Organic, Richter and Spiel- 

 mann, 469. 



— Physical, Lewis, 160. 



CHEMISTRY. 



Arsenic, Pearson's method, mod- 

 ifications of, 391. 

 Colloids, Physics and Chemistry, 



Hatschek, 160. 

 — in Biology, Bechhold and Bul- 

 lowa, 248. 

 Weighing, deflection method of, 



Brinton, 390. 

 Zirconium, determination, Lun- 

 dell and Knowles, 467. 

 Coast Survey, United States, 249. 

 Coral reef zone and the glacial 



period, Daly, 136. 

 Crowther, J. A., Molecular Physics, 



473- 

 Crystals, method of growing large, 



Moore, 391. 

 Cyperaceae, studies, No. XXVII, 



Holm, 17. 



zone and 

 of the 



D 



Daly, R. A., coral-reef 

 glacial period, 136. 



Davis, W. M., framework 

 Earth, 225. 



Day, A. L., obituary notice of G. F. 

 Becker, 242. 



De Moraes, L. F., ferrazite, 353. 



Diatoms, fossil, from Pribilof Is- 

 lands, Hanna, 216. 



Downing, E. R., Biological Nature 

 Study, 162. 



Earth, framework of, Davis, 225. 

 Ehlers, G. M., Heterolasma foerstei 



from Niagaran of Michigan, 461. 

 Electrons, in atoms and molecules, 



Langmuir, 69. 

 Equilibrium and Vertigo, Jones, 79. 



under each the titles of Articles referring thereto are included. 



