246 
Index of the principal Lines of the Spark- 
spectra of the Elements (PoLLox), 184. 
Influence of Water-Vapour upon noc- 
turnal Radiation (Surron), 13. 
Joly (J.). Method of Determining the 
absolute Dilatation of Mercury, 179. 
The Radioactivity of Sea- water, 
253. 
On the Radium Content of Deep- 
sea Sediments, 288. 
Leonard (A.G.G.). On the Quantitative 
Spectra of Molybdenum, Tungsten, 
Thorium, and Zirconium, 270. 
Lines of flow of Water in saturated Soils 
(RicHaRrpson), 295. 
Mendelian Characters among Short-horn 
Cattle (Witson), 317. 
Method of Determining the absolute 
Dilatation of Mercury (Jory), 179. 
Modified Form of Electrical Control for 
Driving Clocks (GruBB), 34. 
Moss (Richard J.). Note on the Sub- 
limation of Sulphur at ordinary 
Temperatures, 105. 
Form of Right-Ascension slow 
Equatorial ‘Telescopes 
New 
Motion for 
(Gruss), 37. 
Pollok (James H.). Index of the prin- 
cipal Lines of the Spark-spectra of the 
Elements, 184. 
———— On the Quantitative Spark-spectra 
of Titanium, Uranium, and Vanadium, 
del. 
On the Spectrographic Analysis 
of a Specimen of Commercial Thallium, 
338. 
Pollok (James H.) and Lronarp, A.G.G. 
On the Quantitative Spectra of Iron, 
Aluminium, Chromium, Silicon, Zinc, 
Manganese, Nickel, and Cobalt, 217. 
- On the Quantitative Spectra of 
Barium, Strontium, Calcium, Magne- 
sium, Potassium, and Sodium, 229. 
On the Separation and Quanti- 
tative Spectra of Cerium, Lanthanum, 
and Yttrium, 257, 
Index. 
Possible Connexion between the Eruption 
of Vesuvius and the Earthquake at San 
Francisco in April, 1906 (Gru), 107. 
Quantitative Spark-spectra of Titanium, 
Uranium, and Vanadium (Pook), 331. 
Quantitative Spectra of Barium, Stron- 
tium, Calcium, Magnesium, Potassium, 
and Sodium, 229. 
Quantitative Spectra of Iron, Aluminium, 
Chromium, Silicon, Zinc, Manganese, 
Nickel, and Cobalt (Poinoxk and 
Lronarp), 217. 
Quantitative Spectra of Molybdenum, 
Tungsten, Thorium, and Zirconium 
(LEonarp), 270. 
Radioactivity of Sea-water (Jouy), 253. 
Radium Content of Deep-sea Sediments 
(Joty), 288. 
Richardson (Lewis F.). The Lines of 
Flow of Water in saturated Soils, 295. 
Ryan (Hugh) and Exrit, George. The 
Synthesis of Glycosides: some Deri- 
vatives of Xylose, 247. 
Seeds: The Effect of very low Tempera- 
ture on moist Seeds (ADAms), 1. 
Separation and Quantitative Spectra of 
Cerium, Lanthanum, and Yttrium, 
257. 
Series in Spectra (Conway), 181. 
Short-horn, Cattle, Mendelian Characters 
among (Wiuson), 317. 
Simple Form of Apparatus for Observing 
the Rate of Absorption of Oxygen by 
polluted Waters (ADENEY), 280. 
Spark-spectra of] the: Elements, Index of 
the principal Lines of the (Poitox), 
184. 
Spectra, On Series in (Conway), 181. 
Spectra, On some Devices facilitating 
the Study of (Hartiry), 237. 
Spectra of Calcium and Magnesium as 
observed under different Conditions 
(HartiEy), 243). 
Spectrographic Analysis of a Specimen of 
Commercial ‘Thallium (Po~Lox), 338. 
Sublimation of Sulphur at ordinary 
Temperatures (Moss), 105, 
