INDEX TO VOLUME III* 



A 



Academy, National, meeting in 

 Washington, 386, 482. 



Alnoitic rocks, Isle Cadieux, Que- 

 bec, Bowen, 1. 



Achalme, L'Atome, 303. 



Ammonium chloride, symmetries 

 of, Wyckoff. 177. 



Analysis. Colorimetric, Snell, 217 



— See CHEMICAL. 

 Anatomy, Comparative Vertebrate, 



Lyman, 309. 

 Anthropoid, first, found in America, 



Osborn, 478. 

 Araeocyon, Thorpe, 97, 371. 

 Arctic, Cambrian fauna, Holtedahl, 



343- 



— Cephalopods, Foerste, 304. 



— Friendly, Stefansson, 390. 

 Astronomy, Newcomb-Engelmann, 



381, 

 Atomic Structure, Report on, 94. 



Achalme, 303. 

 Atoms, chromophore grouping in 



inorganic triple salts, Wells, 414. 

 Auric chlorides. See GOLD. 

 Aurora line of night sky, 476. 

 Australia, "varve shales," David, 



US- 



Bacteriology, Dairy, Orla-Jensen, 



155. 

 Berry, E. W., Carboniferous plants 



from Peru, 189; new genus of 



fossil fruit, Catatoloides, 251; 



American Spirulirostra, 327; Cor- 



ocoro Copper District, Bolivia, 



480. 

 Bigelow, F. H., Two Orbit Theory 



of Radiation, 382. 

 Blastomeryx marshi, restoration, 



Lull, 159. 

 Bolivia, Corocoro Copper District, 



Singewald and Berry, 480. 

 Bowen, N. L., alnoitic rocks, Isle 



Cadieux, Quebec, 1. 

 British Museum, Natural History, 



publications, 3io ? 480. 

 Brown, S. E., Heat and Light, 95- 

 Brussels:, Royal Natural History 



Museum, publications, 392. 



Buddington, A. F., Natural and 



synthetic melilites, 35. 

 Burling, L. D., relations between 



Purcell Range and Canadian 



Rockies, 254. 



Calculus and Graphs, Passano, 393. 

 California, shark's teeth from, 



Jordan, 338. 

 Canada geol. survey, 150. 

 Canidae, Oregon Tertiary, Thorpe, 



162. 

 Carex notes, Clokey, 88. 

 Carnegie Foundation, 16th annual 



report, 225. 



— Institution, publications, 157, 

 308; Year Book, 1921, 307. 



Carnivora, Tertiary, new, in Marsh 

 Collection, Thorpe, 423. 



Cayuga Lake region, minor fault- 

 ing in, E. T. Long, 229. 



Ceratopyge fauna in West. No. 

 America, Raymond, 204. 



Cesium triple salts, Wells, 315. 



Chamberlin's study of Megadi- 

 astrophism, Jones, 393. 



Chemical Analysis, Tower, Quali- 

 tative, 93; Quantitative, G. McP. 

 Smith. 93. 



Chemistry, American, Hale, 94. 



— Physical, Walker, 475. 



CHEMISTRY. 



Alum, ferric ammonium, Bonnell 

 and Perman,_ 300. _ 



Arsenic, precipitation as sul- 

 phide, Reedy, 217. 



Auric chlorides. See gold. 



Beryllium, atomic weight, Honig- 

 schmid and Birkenbach, 378. 



Chlorides, complex, containing 

 gold,. Wells, 257, 315, 414. 



Chlorine, separation into iso- 

 topes, Harkins and Hayes, 92. 



Colloids, Platschek, 379- 



Copper, reaction for, Thomas 

 ■ and Carpenter, 145. 



— and iron, iodometric estima- 

 tion, Wark, 474. 



Cyanide, new, Landis, 145- 



Ferric salts, reduction with mer- 



*This Index contains the general heads, Chemistry. Geology, Minerals, Obituary; 

 under each the title of Articles referring thereto are included. 



