INDEX. 



925 



Sudan, the Western, Hausa pilgrimages 



from, Rev. C. H. Robinson on, 837. 

 Sunlight in the High Alps, the iodine 



value of. Dr. S. Rideal on, 718. 

 Sylvester (Prof. J. J.) on carrying on 



the tables connected tvith the Pellian 



equation, 73. 

 Symons (G. J.) on the work of the Carre- 



sponding Societies Committee, 35. 

 on the application of photography 



to tlie elucidation of meteorological 



phenomena, 140. 



on recording the direct intensity of 



solar radiation, 144. 

 — on earth tremors, 287. 

 on the circulation of undergroimd 



waters, 463. 



on the climatological and hydro- 



graphical conditions of tropical Africa, 

 572. 



♦Tanganyika, Lake, and the Congo, the 

 relation of, J. H. Raid on, 837. 



Tanner (Col. H. C. B.) 07i the explora- 

 tion of the glacial region of the Kara- 

 Itoram, Mountains, 564. 



Tate (Dr. G.) on some ferments derived 

 from diseased pears, 724. 



Taylor (H.) on practical electrical stan- 

 dards, 127. 



Teall (J. J. H.) on the volcanic pheno- 

 mena of Vesuvius and its neighbour- 

 hood, 471. 



■ Address to the Geological Section 

 by. 733. 



Teeth of the elephant, the development 

 of the molar, Prof. J. Cleland on, with 

 remarks on dental series, 808. 



Temperature and density of sea water 

 between the Atlantic Ocean and the 

 North Sea, H. N. Dickson on the, 835. 



Temple (Sir R.) on the teaching of science 

 in elementary schools, 566. 



♦Theory of numbers, a special class of 

 generating functions in the, Major 

 A. P. MacMahon on, 699. 



Thermal relations between air and water. 

 Dr. H. R. Mill on, 706. 



Thomas (T. H.) on the legislative protec- 

 tion of wild birds' eggs, 552. 



Thompson (I. C.) on the marine zoology 

 of the Irish Sea, 526. 



(Prof. Silvanus P.) on practical 



electrical standards, 127. 



on the teaching of science in elemen- 



tary schools, 566. 



Thomson (Prof. J. J.) on the establish- 

 ment of a national physical laboratory, 

 120. 



on practical electrical standards, 



127. 



* on a new form of air-pump, 705. 



(Dr. W. Ernest F.) on the physio- 

 logical action of the inhalation of 



oxygen in asphyxia, more especially in 



coal mines, 551. 

 Thorpe (Prof. T. E.) on the action of 



light upon dyed colours, 373. 

 Tibet, recent exploration in, E. Delmar 



Morgan on, 841. 

 Tiddeman (R. H.) on the collection, 



preservation, and systematic registra- 

 tion of photographs of geological interest 



in the United Kingdom, 473. 

 on the erratic blocks of England, 



Wales, and Ireland, 514. 

 Tilden (Prof. W. A.) on the bibliography 



of solution, 372 ; on the investigation of 



isomeric najyhthalene derivatives, 381. 

 on establishing an international 



standard for the analysis of iron and 



steel, 437. 



on solution, 438. 



Titanium, cyano-nitride, the occurrence 



of, in ferro-iiianganese, T. W. Hogg on, 



721. 

 Tmesipteris tannensis, Bernh., the cortex 



of, R. J. H. Gibson on, 817. 

 Toadstone, the Derbyshire, H. Arnold- 



Bemrose on, 780. 

 Tool for calking, chipping, mining, J. 



MacEwan Ross on a percussive, 877. 

 Tools (anchors, anvils, hammers, and 



drills) PalEeolithic, H. Stopes on, 

 and ornaments of copper and other 



metals from Egypt and Palestine, Dr. 



J. H. Gladstone on, 715. 

 Topley (W.) on the work of the Corre- 



sponding Societies Committee, 35. 

 on the circulation of underground 



waters, 463. 

 on the relations of geology to phy- 

 sical geography, 834. 

 *Toni-net, a deep-sea, {interim) report on, 



803. 

 Traquair (Dr. R. H.) on the eurypterid- 



bearing deposits of the Pentland Hills, 



470. 

 on the discovery of Cephalaspis in 



the Caithness flags, 747. 

 Tremor-recorder of Prof. J. Milne, descrip- 

 tion of the, 289. 

 Trias, the pittings in pebbles from the, 



Prof. W. J. Sollas on, 755. 

 *- of the Midlands, Prof. C. Lapworth 



on the, 768. 



the British, the Reptilia of, E. T 



Newton on, 752. 

 and Permian rocks. Rev. A. Irving 



on the, 768. 

 Triassic and Permian rocks, the junction 



of, at Stockport, J. W. Gray and P. F. 



Kendall on, 7G9. 

 Trifolium pratense ax 6. its varieties, and 



T. medium, variaticn of fecundity in, 



W. Wilson on, 817. 

 Tristram ( Rev. Canon) on the work of the 



Corresponding Societies Committee, 35. 



