Index. 
431 
minants in the Historical Order of its 
Development up to 1860, 135-166. 
Murray (James). Scottish Tardigrada, collected 
by the Lake Survey ( Title only), 376. 
Arctic Tardigrada, collected by W. S. 
Bruce ( Title only), 376. 
Encystment of Tardigrada ( Title 
only), 379. 
Occluded Hydrogen. Influence on Photo- 
Electric Discharge, by W. Mansergh Yarley 
and F. Unwin, 117-134. 
Ocean Waters, Coefficients of Expansion of, by 
J. J. Manley, 226. 
Office-Bearers, Election of, Session 1906-1907, 1. 
Oliver (Thomas). The Relation between Normal 
Take-up or Contraction and Yarn Number 
for the same Degree of Twist in Twisted 
Threads, Part II., 93-106. 
The Relation between Normal Take-up 
or Contraction and Degree of Twist in 
Twisted Threads when the Singles are of 
Unequal Sizes, Part III., 107-116. 
On the Influence of Twist on the 
Strength of a Thread, 244-263. 
On a New Method of Determining the 
Degree of Twist in Single Threads, 264-268. 
Optically - Active Substances, Properties of 
Mixed Solutions of, by C. Ranken and W. 
W. Taylor, 172-180. 
Optics. Rotations of certain Salts in Aqueous 
Solution, by Jas. R. Milne, 271-280. 
Papers. List of, read during Session 1906-07, 
373-385. 
Partition of Heat Energy in the Molecules of 
Gases, by Paul Ehrenfest, 195-202. 
Paton (D. Noel), and B. P. Watson. On the 
Origin of the Amniotic and Allantoic Fluids 
( Title only), 380. 
Peddie (W.). On Vibrating Systems which are 
not Subject to the Boltzmann- Maxwell Law 
{Second paper), 181-194. 
Photo-Electric Discharge from Platinum, In- 
fluence of Temperature on, by W. Mansergh 
Varley and F. Unwin, 117-134. 
Prizes. Keith Prize (1903-1905) awarded to 
Dr Thomas H. Bryce, 382. 
Makdougall-Brisbane Prize (1904-1906) 
awarded to Dr J. E. Halm, 383. 
Prymnothonus Hookeri, Poisson pelagique de 
1’“ Erebus” et de la “Terror” retrouve par 
l’Expedition Antarctique Nationale Ecossaise, 
par Louis Dollo, 35-45. 
Pyramidal Tract in the Monkey, by Sutherland 
Simpson and W. A. Jolly, 281-301. 
Quaternion Integral Theorems, by Heinrich 
Hermann, 371-372. 
Ranken (Clerk), and W. W. Taylor. The 
Physical Properties of Mixed Solutions of 
Independent Optically - Active Substances, 
172-180. 
Red Clay Deposit, Composition of, by F. W. 
Clarke, 167-171. 
Refracting Power of Sea-Water, by E. G. Hill, 
233-243. 
Rettie (Theodore), and W. W. Taylor. The 
Inversion of Cane Sugar by Optically-active 
Acids {Title only), 374. 
Rolandic Cortex, Functions of, in Monkeys, by 
W. A. Jolly and Sutherland Simpson, 64-78. 
Ross ( Alexander D.). Heusler’s Magnetic Alloy, 
88-92. 
Rubber Tubing. Effect produced upon Glass 
Tubes, by J. J. Manley, 220. 
Russell (James). The Superposition of 
Mechanical Vibrations (Electric Oscillations) 
upon Magnetisation, and conversely, in Iron, 
Steel, and Nickel, Part II. {Title only), 375. 
Sigillaria mamillaris, Brongt., Structure of 
Stele, by R. Kidston, 203-206. 
Sigillaria scutellata, Brongt., Structure of Stele, 
by R. Kidston, 203-206. 
Sigillariopsis , Renault. Leaf of Sigillaria, 
by R. Kidston, 203-206. 
Simpson (James J.). On a New Siphonogorgid 
Genus, Cadogorgia, with Descriptions of 
! Three New Species {Title only), 373. 
Simpson (Jas. Y.). On the Sporulation of 
Amoeba Proteus {Title only), 374. 
Simpson (Sutherland), and W. A. Jolly. The 
Functions of the Rolandic Cortex in Monkeys, 
64-78. 
Degenerations following Experi- 
mental Lesions in the Motor Cortex of the 
Monkey, 281-301. 
Skull of Equus prjevalslcii, Craniometrical Ob- 
servations on, by O. Charnock Bradley, 46-50. 
Smith (Alexander), and R. PI. Brownlee. Pre- 
cipitated Sulphur, 308-311. 
• and C. M. Carson. The System 
j Sulphur-Iodine {Title only), 332. 
j Smith (C. Micliie). Some Account of the Work 
at the Solar Observatory, Kodaikanal, S. 
India {Title only), 381. 
I Smith (W. Ramsay). Notes on Aboriginals of 
the Northern Territory of South Australia, 
51-63. 
Sodium Ethylate, Action of, on Trichloro- 
methyl-Sulphonic Chlorides, by A. Crum 
Brown and T. F. Cowie, 369-370. 
Solutions, Optical Rotations of certain, by 
Jas. R. Milne, 271-280. 
Spiromonas Cohnii. Reason for Inclusion under 
Chlamydobacteriacese, by David Ellis, 21-34. 
i Spirophyllum ferrugineum. — New Genus of 
Thread- Bacteria, by David Ellis, 21-34. 
Strength of Twisted Threads, by T. Oliver, 
244-263. 
Sulphur, Precipitated, by Alex. Smith and 
R. H. Brownlee, 308-311. 
Take-up in Twisted Threads, Part II., by T. 
Oliver, 93-106. 
Take-up in Twisted Threads, Part III., by T. 
Oliver, 107-116. 
Taylor (W. W.), and Clerk Ranken. The 
Physical Properties of Mixed Solutions of 
Independent Optically-Active Substances, 
172-180. 
— See Rettie (Theodore). 
Temperature of the Fresh -water Lochs of 
Scotland, by E. M. Wedderburn, 14, 15. 
