580 



INDEX. 



Barker (W. H.), <5« geograiihy teach- 

 ing, 321. 



Barkla (Pvof. C. G.), X-ray absorption 

 and J discontinuities, *424. 



Barnes (W.), Single-bucket excavator, 

 467, 505 (G 10). 



Bather (Dr. F. A.), Zoological hihlio- 

 graphy and 'publication, 319. 



Baylis (Dr. H. A.), . . . Host-range 

 of parasitic nematodes, 453, 504 

 (D 22). 



Beattie (Prof. J. M.), Action of finely 

 divided particles of L^late, &c., on 

 toxins, *47l). 



Bep.diman (A. E.), P>,oad transport, 463, 

 505 (G 4). 



Beveridge (Sir W. H.), Population 

 and vnemployment, 138. 



BiCKERSTETH (Dr. M. E.), Psycho- 

 grams, *483. 



Bio-radioactivity and humoral environ- 

 ment, by Prof. H. Zwaardemaker, 

 478. 



Blacklock (Prof. B.), Tumbu fly . . ... 

 453. 



Blackman (Dr. F. F.), Oxygen and 

 respiration, *487. 



Blackman (Prof. V. H.), and Legg 

 (A. T.), Effect of electric currents on 

 growth of plants in pot cultures, 487, 

 507 (K 11). 



Legg (A. T.), and Gregory (Dr. 



F. G.), Effect of direct electric cur- 

 rent . . . on . . . growth of coleop- 

 tile of barley, 487, 507 (K 12). 



Blood in retina on colour equations, 

 effect of, by Dr. F. W. Edridge- 

 Green, 480, 506 (I 16). 



Bohr atom and periodic law. by Dr. 

 N. V. Sidgwick, *432, 504 (B 6). 



Bohr (Prof.^N.), Correspondence prin- 

 ciple, 428. 



BoNSER (W.), Magic properties of the 

 Finns . . ., 472, 506 (H 4). 



Bosweol (Prof. P. G. H.), Geology of 

 Liverpool district, *437. 



. . . Silurian rocks . . . Den- 

 bighshire moors, 441. 



Jlotani/, Some aspects of the present 

 positio7i of, by A. G. Tansley, 240. 



Bowie (J. A.), British Coal Agreement 

 of 1921, 462, 505 (F 9). 



Brancker (Sir S.), Air transport, 464. 



Brazil, high ijlateau of, by E. E. Walls, 

 458, 505 (E 7). 



Breeze (Miss M. S. G.), Invasion of 

 tissues of higher plants by protozoan 

 parasites. 456. 



Brierley (Dr. W. B.). on virus diseases 

 of plants, 493. 



Brockwell (Prof. C. A. Brodie), Evo- 

 lution of arithmetic .... 472. 



Bronze Age implements, Bejmrt of com- 

 mittee on distri/jutioH of, 412. 



Bronzes, Composition of early, bv 

 Prof. J. Sebelien, *476, 506 (H 24). 



Brooks (J.), and Eamsden (Prof. W.), 

 Factors determining which of two 

 liquids forms the droplets of an 

 emulsion, *479. 



Brooks (Dr. S. C), Electrolytic con- 

 ductance of micro-organisms, *479, 

 505- (I 12). 



Brown (S. G.), the Frenophone, 427. 



Bruce (J. R.), and Eamsden (Prof. 

 W.), Irreversible coagulation of 

 albumin at frea surfaces, *479, 50f> 

 (I 7). 



Brunt (Capt. D.), Energy of circula- 

 tion of the atmosphere, 425. 



Bunter sandstones, middle, of Liver- 

 pool district, by T. A. Jones, 440. 

 504 (C 4). 



Burnett (Miss T.). . . . Eepetitive 

 work, 485. 



Burt (Dr. C), mental differences 

 between indicidiials, 215. 



on the delinquent child, 497. 



Butterflies, transparent undersurface 

 of wings in certain, bv Prof. E. B. 

 Poulton, 447, 504 (D 2). 



Campin (Miss M. G.), Chromosomal 



survev of certain plant families . . .. 



489. 

 Cannon (H. Graham), Post-naupliar 



development of an estherid crus 



tacean, 453. 504 (D 25). 

 Carbon dioxide accumulation on root 



elongation, effect of, by C. Hunter 



and Miss E. M. Eich, 487. 

 Carbon dio.xide and adrenaline . . . 



bronclii and pulmonarv vessels, bv 



Prof. E. M.ignus. 478. ' 

 Carruthers, (J. N.), North Sea cur- 

 rents in relation to fisheries, 449 

 Casson (H.), Prehistoric sites in Dar 



danelies and Bosporus, 475. 

 Casson (S.), North Mge&n coast in the 



Bronze Age, 475. 

 Catalvtic actions in the system copper. 



ftcl bv W. G. Palmer, 435. 504 



(B 13).' 

 Cathcart (Prof. E. P.), New ty))e of 



pursuitmeter, *484. 

 Chadwick (H. C), Exhibit of . . . 



slides of plankton organisms, 450. 

 Chatwin (C. p.). New gasteropod 



fauna from the chalk. 4-47. 

 Cliromosomal survey of certain plant 



families . . ., by Miss JM. G. 



Campin, 489. 



1 



