544 



Index. 



Conidia of Phytophthora infestans (Mont.) 

 De ■ Barry, The Bionomics of the 

 (Morphy), 442. 



Crvoscopio Method for the Estimation of 

 Sucrose (Dison and Mason), 1. 



Davidson (J.). Biological Studies of 

 Alphis rumicis L. A. — Appearance of 

 Winged Forms. B. — Appearance of 

 Sexual Forms, 304. 



Dewalquea, The occurrence of, in the Coal- 

 Bore at Washing Bay (Co. Tyrone) 

 (Johnson and Gilmoee), 323. 



Differential Calorimeter, A Determination 

 by iiieans of a, of the Heat prodiroed 

 during the Inversion of Sucrose (Dixon 

 and Hail), 153. 



Distillation in Steam, Notes on some 

 Applications of the Metliod of (Reillt 

 and Hiokinb(iTiom), 131. 



Distillation in Steam of certain Alcohols 

 (Rkilly and Hickinbottom), 233. 



Distillation in Steam of the Volatile Fatty 

 Acids, The influence of Flectrolytic 

 Dissociation on (Keillt and Hi-jkin- 

 BOITOM), 120. 



Dixon (H. H.) and N. G. Ball. A 

 I eteimination by means of a Diiierential 

 Calorimeter of the Heat produced during 

 the Inversion of tiucrose, 153. 



Photosynthesis and the Elec- 

 tronic Theory (11), 435. 



and T. G. Mason. A Cryoseopic 



Method for the Estimation of Sucrose, 1. 

 and H. H. Pooib. Photosynthesis 



and the Electronic Theory, 63. 



Donnelly (D.) and J. J. Dowlikg;. The 

 Measurement of very Short Time 

 Intervals by the Condenser-Charging 

 Method. (In conjunction with the late 

 Professor J. A. M'Clelland), 165. 



Dowling (J. J-)' ^ Direct Heading Ultra- 

 Micrometer, 1S5. 



A Sensitive Valve Method for the 



Measurement of Capacity, with some 

 Important Applications, 175. 



and D. Donnelly. The Measure- 



Dowling (J. J.) and J. T. Harris. A 

 Vibrating-Flame Rectifier for High- 

 Tension Currents, 171. 



Electrolytic Dissociation, The Influence of, 

 on the Distillation in Steam of the 

 Volatile Fatty Acids. (Reilly and 

 Hickinbottom), 120. 



Ether-Air Mixtures, An Investigation into 

 the Causes of the Self-Ignition of 

 (M'Clulland and Gillj, 109. 



Feeding, The Influence of, on Milk Fat 

 (Siieehy), 478. 



Fenton (E. G.). Studies in the Physio- 

 graphj' and Glacial Geology of Southern 

 Piitagonia, 189. 



"Finger and Toe" Disease of Turnips, 

 Note on the Occurrence of, in Relation to 

 the Hydrogen Ion Concentration of the 

 Soil (Atkins), 427. 



Flax Flea-Beelle I Lonyittirsus piirvulus, 

 Payk.), On the Life-History of, with 

 Descriptions of the hitherto Unknown 

 Larval and Pupal Stages (Rhynehaht), 

 497. 



Flax [Linnm usitatisshimm), The " Brown- 

 ing " and "Stem Break" Disease of 

 Cultivated, caused by Polyspora lini 

 n. gen. et sp. (Laffektt), 248. 



Food -Unit Method, The Application of the, 

 to the Fattening of Cattle (Wilson), 25. 



ment of very Short Time Intervals by 

 the Condenser-Charging Method. (In 

 conjunction witli the late Professor 

 J. A. M'Clelland), 165. 



Galanlhus nivalis, On the Inhibition of 

 Invertase in the Sap of (Mason), 83. 



Gauging the Discharge of Rivers, On a 

 New Method of (Jolt), 489. 



Gill (Rev. H. V.) and the late J. A. 

 M'Clelland. An Investigation into 

 the Causes of the Self-Ignition of Ether- 

 Air Mixtures, 109. 



Gilmore (Jane G.) and T. Johnson. The 

 Occurrence of a Sequoia at Washing 

 Bay, 345. 



■ — . — The Occurrence of Dewal- 



quea in the Coal- Bore at Washing Bay, 

 323. 



Harris (J. T.) and J. J. Dowling. A 

 Vibrating-Flame Rectifier for High- 

 Tension Currents, 171. 



