INDEX TO VOLUME XL 1 1.* 



Academy, National, meeting at Bos- 

 ton. .106. 



Accumulator, lead, Fery, 366. 



Amber, Burmese, insects in, Cockerell, 

 135. 



Andrews, E. C, geological history 

 of Australian flowering plants, 171. 



Arctowski, H., pleionian cycle of 

 climatic fluctuations, 27. 



Arnold, J. L., Physics, 436. 



Association, American, meeting at 

 New York, 507. 



Auditory sense. Marage. 435. 



Australian plants, geological history, 

 Andrews, 171. 



B 



Baltic Provinces, geology of, 437. 

 Barus, C, rotation of interference 



fringes, 63 ; spectrum interferoni- 



etry. 403. 

 Bassler, H., Cycadophytefrom North 



American Coal Measures, 21. 

 Berry, E. W., Upper Cretaceous 



floras, 81 ; fossil nutmeg from Texas, 



241. 

 Birds of North America, Kidgway, 



86. 

 Blackwelder, E., geologic role of 



phosphorus, 285. 

 Blake, J. M., plotting crystal zones 



on paper, 486. 

 Blaney, D., Pleistocene locality on 



Mt. Desert Island, 399. 



BOTANY. 



Plant Anatomy. Stevens, 284. 

 — Culture, Goff, 284. 

 See also GEOLOGY. 



Bradley, W. M.. hydrozincite, 59; 

 margarosanite, 159. 



British Museum catalogues, 87. 



Brooklyn Institute, bulletin, 87, 509. 



Brown, G. V., selensulphur from 

 Hawaii, 132. 



Browning, P. E., detection and sep- 

 aration of tellurium, arsenic,. etc., 

 106 ; separation of csesium, etc., 

 279 ; electrolysis, etc., of gallium, 

 389. 



Burling, L. D., Albertella fauna, 469 

 Burton, E. F., Physical Properties 

 of Colloidal Solutions, 79. 



California, Tejon Eocene, Dickerson, 



80. 

 Canada, Department of Mines, 84., 



— geol. survey, 84. 



Carnegie Foundation, annual report, 

 88 ; bulletin IX, 169. 



— Institution, publications, 508. 

 Chamberlain, J. S., Organic Agri- 

 cultural Chemistry, 165. 



Chamberlin, T. C, Origin of the 



Earth, 167, 371. 

 Chemistry, Analytical, Treadwell and 



Hall. 74. 



— Industrial. Thorp and Lewis, 165. 



— of Metabolism, Problems, von 

 Fiirth and Smith, 442. 



— Organic Agricultural, Chamberlain, 

 165. 



— Physical. Lewis. 75. 



— Physiological, Hawk. 76. 



— Progress for 1915, Annual Report, 

 166. 



CHEMISTRY. 



Aluminium, determination, Blum. 

 432. 



Ammonia, new method for estimat- 

 ing, Foxwell, 74 . 



Arsenate, lead-chlor, McDonnell and 

 Smith, 139. 



Ca?sium, etc., separation, Browning 

 and Spencer. 279. 



Calcium tartrate, crystallization, 

 Cbattaway, 497. 



Chlorides in presence of thiocya- 

 nates, 498. 



Cobalt, new volumetric method, 

 Engle and Gustavson, 431. 



Copper sulphate, basic, Young and 

 Steam, 497. 



Fluorine, Gautier and Clausmann, 

 364. 



— in soluble fluorides, Dinwiddie, 

 464. 



Gallium, electrolysis, etc., Brown- 

 ing and Uhler, 389. 



* This Index contains the general heads, Botany, Chemistry, Geology, Minerals, 

 Obituary; under each the titles of Articles referring thereto are included. 



