[ 543 ] 



INDEX 



TO VOLUME XVI. 



Adeney (W. E.) and H. G. Beckee. The 

 Determination of the Rate of Solution of 

 Atmospheric Nitrogen and Oxygen by 

 Water, 143. 



Alcohols, The Distillation in Steam of 

 certain (Reilt.t and Hickinuoitom), 

 233. 

 . Ap/iis runiicis L., 

 A. —Appearance 

 B. — Appearance 

 (Davidson), 304. 



Atkins (W, R. G.). Note on the Occur- 

 rence of the Finger and Toe Disease of 

 Turnips in relation to the Hydrogen 

 Ion Concentration of the Soil, 427. 



Some Factors affecting the Hydrogen 



Ion Concentration of the soil and its 

 Relation to Plant Distribution, 369. 



The Hydrogen Ion Concentration 



Biological Studies of. 

 of Winged Forrs. 

 of Sexual Foril^^-' 



of Plant Cells, 414. 



Atmospheric Nitrogen and Oxygen, The 



Determination of the Rate of Solution 



of, by water (Adenet and Beckke), 143. 



Ball (N. G.) and H. H. Dixon. iP^ 

 Determination by means of a Difierentiat"' 

 Calorimeter of the Heat Produced during 

 the Inversion of Sucrose, 153. 



Photosynthesis and the Elec- 

 tronic Theory (II), 435. 



Ballycorus, Co. Dublin, A Variety of 

 Pinite occurring at (Smyth), 492. 



Bar ilagnets. Note on the Decay of 

 Magnetism in (Bkown), 78. 



Becker (H. G.). A New Principle in 

 Blow Pipe Construction, 275. 



A Simple Form of Apparatus for 



observing the Rate of Reaction between 

 Gases and Liquids, and its use in 



SCIENT. PEOC. R.D.S., VOL. XVI., INDEX. 



determining the Rate of Solution of 



Oxygen by Water under different 



conditions of Mixing, 334. 

 Becker (H. G.) and W. E. Adeney. The 



Determination of the Rate of Solution of 



Atmospheric IN'ilrogen and Oxygen b}' 



Water, 143. 

 Blight Fungus, Phi/tophthorn iiifestans, 



The Soirrces of Infection of Potato Tubers 

 '' with (MuEPHY), 353. 

 Blow Pipe Construction, A New Principle 

 ' , in (Becker), 275. 

 j/jBoyle Medal, Award of, to George H. 



Pethybridge, b.sc, ph.h. (1921), 226. 

 Brown (W.). Note on the Decay of 



Magnetism in Bar Magnets, 78. 

 and P. O'Callaghan. The Change 



in Rigidity of Nickel Wire witli 



Magnetic Fields, 98. 

 Browne (Agnes) and A. G. G. Leonaed. 



Some Derivatives of Nitrotolui 



(4 - nitro -2-amido-l- methyl - b^_ 



105. ' r-^ 



" Browning " and 

 of Cultivated Flax{ 

 caused by Pult/sjiord lini n 

 (Lafeeety), 248. 'X.''',? 



d " Stem Break J^isep^T q n IQOQ 

 lax(I,niHJ» usitakssimunij " lOjC... 



^'o.n3LMM0^ 



Capacity, A Sensitive Valve Method for the 

 measurement of, with some Important 

 Applications (Dowukg), 175. 



Carboniferous Coast-section at Jlalahide, 

 Co. Dublin (SmvtiI), 9- 



Cattle, The Application of tlie Food-Unit 

 Method to the Fattening of (Wilson), 

 25. 



Condenser Charging Method, The Measure- 

 ment of very Short Time Intervals by 

 (D0WLIN& and Donnelly'), 165. 



3 M 



