INDEX. 



859 



Spearman (Dr. C.) on the establishment 

 of a system of measuring mental charac- 

 ters, 267. 

 — — on the mental and physical factors 

 involved in education, 302. 



individual variations of memory, 



802. 

 Spectra, the relation of, to the periodic 

 series of the elements, Prof. W. M. 

 Hicks on, 534. 

 Spectrograph, a simple form of, by Prof. 



C. Fery, 537. 

 Spectrophotometer of the Hiifner type, 



a new, by Dr. R. A. Houston, 524. 

 Speech, discussion on, 816. 

 Speech and speech centres, the evolution 



of, by Dr. A. A. Gray, 816. 

 Spermatic elements in vertebrates, the 

 microchemistry of the, by Prof. A. B. 



Macallum, 767. 

 Spicer (Rev. E. C), present Trias con- 

 ditions in Australia, 655. 

 Starling (Prof. E. H.) on the dissociation 



of oxy-h'.emoglobin at high altitudes, 280. 

 *Stars as furnaces, by Sir Norman 



Lockyer, 547. 

 Stather (J. W.) on the erratic blocks of 



the British Isles, 100. 

 Statistics and Economic Science, Address 



to the Section of, by Sir H. LI. Smith, 



664. 

 Stead (J. E.), Address to the Chemical 



Section, 549. 

 Stebbing (Rev. T. R. R.) on the occupa- 

 tion of a table at the zoological station at 



Naples, 165. 

 on the compilation of an index 



generum et specierum animalium, 167. 



on zoology organisation, 168. 



on the work of the Corresponding 



Societies Committee. 311. 

 Stebbing (W. P. D.) on the work of 



the Corresponding Societies Committee, 



311. 

 *Steel, a fourth recalescence in, Prof. 



J. O. Arnold on, 562. 

 properties of, the influence of 



chemical composition and thermal 



treatment on, by Prof. A. Me William, 



564. 

 the corrosion, solubility, and solution 



pressures of, the influence of heat treat- 

 ment on, by C. Chappell and F. Hodson, 



566. 

 Steel and iron, the corrosion of, by J. N. 



Friend, 566. 

 Stein (Sigmund), sugar-beet growing 



and beet-sugar manufacture in England, 



579. 

 Stimuli, the summation of, by Prof. 



F. S. Lee and Dr. M. Morse, 758. 

 Stirling (Prof. Wm.), types of animal 



movement, 818 



*Stomata, a new method of observing, 

 Dr. F. Darwin on, 786. 



Stone circles, the age of, report on ex- 

 plorations to ascertain, 264. 



Stone v (Dr. G. J.) on practical electrical 

 standards, 38. 



Stopes (Miss M. C), structural petri- 

 factions from the mesozoic, and their 

 bearing on fossil plant impressions, 

 613. 



on the fossil flower, 783. 



Strahan (Dr. A.) on the fossil flora and 

 fauna of the Midland coalfields, 827. 



♦Stratton (F J. M.) and Prof. T. B. 

 Wood, the interpretation of experi- 

 mental results, 587. 



Stress, the optical determination of. 

 by Prof. E. G. Coker, 711. 



Strongylocentrotus purpuratus, a cytolo- 

 logical study of artificial partheno- 

 genesis in, by Dr. E. Hindle, 630. 



Structural petrifactions from the meso- 

 zoic, and their bearing on fossil plant 

 impressions, by Miss M. C. Stopes, 613. 



♦Stupart (R. F.), temperature inversions 

 in the Rocky Mountains, 546. 



Sudan, the Anglo-Egyptian, native pot- 

 tery methods in, by G. W. Grabham, 

 729. 



the Southern, a neolithic site in, by 



Dr. C. G. Seligmann, 728. 



Sugar-beet growing and beet-sugar manu- 

 facture in England, by Sigmund Stein, 

 579. 



Sugar-beet industry, the proposed, the 

 financial aspect of, by G. L. Courthope, 

 580. 



Sugars from green leaves, the paths of 

 translocation of, by S. Mangham, 785. 



Suk of East Africa, the, by M. W. H. 

 Beech, 734. 



Sulter (Dr. B. ) on the ethnographic survey 

 of Canada, 265. 



Sutherland (Alex.), excavation of Broch 

 of Cogle, Watten, Caithness, 737. 



school gardening, 815. 



Swann (W. F. G.), the magnetic field 

 produced by the motion of a charged 

 condenser through space, 538. 



*Sykes (Mark L.), insect coloration and 

 environment, 634. 



Systematic recording of captures, by F, 

 Balfour Browne, 314. 



*Tait (Dr. John), the conditions necessary 

 for tetanus of the heart, 762. 



* neurogenic origin of normal heart 



stimulus, 762. 



Tansley (A. G.) on the experimental 

 study of heredity, 300. 



on the survey of Clare Island, 301. 



