INDEX TO VOLUME I.* 



Phytoplankton of Wisconsin 



Lakes. Smith, 463. 

 Plant Life, Chemistry, Thatcher, 



465- 

 Plants, Bacterial Diseases, Smith, 

 464. 



— Economic, Diseases, Stevens 

 and Hall, 465. 



— Evolution, Gager, 463. 



— Nature-Study, Dymes, 465. 

 Bothriodonts, American, Troxell, 



Britten, N. L., Cactacese, 463. 

 Bumstead, H. A., obituary notice 

 by Leigh Page, 469. 



Academy, National, meeting at 

 Washington, 292, 467, 518. 



Airplane, Bedell, 91. 



Allegheny Observatory, publica- 

 tions, 96. 



Andros, S. O., Fuel Oil in Industry, 

 89. 



Anglesey, geology, Greenly, 212. 



Animate Nature, Thomson, 288. 



Annuarie for 1920. 92. 



Anthropometry, Wilder, 293. 



Anticosti Island, post-glacial ter- 

 races, Twenhofel and Conine, 268. 



Arber, E, A. N., Devonian Floras, 



514. 

 Atacama, Puna de, Siidrand der, 



Penck, 92. 

 Autenrieth, W., Detection of 



Poisons, 467. 



B 



Bacteriology, Stitt. 291. 

 Bank Operation, Langston, 378. 

 Barbados-Antigua Expedition, Nut- 

 ting, 462. 

 Barnett, E. de B., Chemistry. 280. 

 Barr, M. W., Mental Deficiency, 



378. 

 Barren, J., regional metamorphism 



and subjacent igneous invasion. 



I, 174- 255. 

 Batholiths in mountain provinces, 



Barrell, 255; relations of oro- 



genic, Barrell, 174. 

 Bedell, F., Airplane, 91. 

 Bell, W. A., formations of Horton- 



Windsor District, Nova Scotia, 



153. 

 Berry, E. W., Potamogeton from 



the Upper Cretaceous, 420. 

 Bibliotheca Zoologica, Taschen- 



berg. 519. 

 Biogeographie, von Hofsten, 459. 

 Biology, McFarland, 290. 

 Bishop Museum, Honolulu. 292. 

 Bose E., Permian of Coahuila, New 



Mexico, 187. 



BOTANY. 



Botany, Agricultural, Harsh- 



berger, 464. 

 Cactaceas, Britton and Rose, 463. 

 Chionophila Benth., Holm, 31. 

 Flora of G-lacier National Park, 



Standley, 520. 



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

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



Calcareous sandstone. Eraser River, 



Canada, Johnston, 447. 

 Calculus, Osgood, 457. 

 Camels, new fossil, Lull, 392. 

 Carnegie Foundation, Fifteenth 



annual Report, 466. 



— Institution, Year Book, No. 19, 



375- 

 Carnivora, two new fossil, Thorpe, 



477. 



Carpenter, J. A., Chemistry, 454. 



Carr, H. W., Relativity, 458. 



Carter, H., Spiritualism, 376. 



Catalysis, Jobling, 89. 



Cernasian mammal. Fauna, Mat- 

 thew, 509. 



Chemical Pharmacology, McGui- 

 gan, 468. 



— Research, Dreaper, 208. 



— Solubilities, Dictionary, Come}^ 

 and Hahn, 454. 



Chemistry, Roscoe and Schorlem- 

 mer, 365. 



— for Coal-mining Students. 

 O'Shea, 208. 



— Creative, Slosson, 209. 



— General, Copaux, 280. 



— Inorganic, Howe, 455. 



— Organic, Barnett, 280; Moli- 

 nari, 365. 



— Practical, Hood and Carpenter, 

 454. 



CHEMISTRY. 



Aluminium, atomic weight, Rich- 

 ards and Krepelka, 88. 



Fluorides of cobalt, nickel, etc., 

 Edmister and Cooper, 207. 



