790 



INDEX. 



equipment of exploring expeditions 

 now and fifty years ago, 738 ; isochronic 

 postal charts, 740. 



*GamHa, the river, K. E. Cole on, 742. 



Gariel (Prof. C. M.), representation 

 graphique de la formule des piles, 556. 



Gas, cheap, the economical effect of using, 

 for gas-motors, with a description of 

 apparatus for producing such gas, J. E. 

 Dowson on, 775. 



'Gaslights, quadriform, the value of, for 

 lighthouses in comparison with the 

 electric light, J. R. Wigham on, 779. 



Gauging, the systematic, of the wells, 

 springs, and rivers of Great Britain, 

 J. Lucas on an organisation for, 781. 



Geddes (P. A.), 'notes on Chlamydomyxa, 

 680 ; *on a new sub-class of inf usorians, 

 680; on economicsand statistics viewed 

 from the standpoint of the preliminary 

 sciences, 765. 



Geikie (Prof.) on underground tempera- 

 ture, 90. 



Genese (Prof. R. W.) on a class of binodal 

 quartics, 538 ; on involutional (11) cor- 

 respondence, 539. 



'Geodesic triangle on any surface, a 

 property of a small. Prof. H. J. S. 

 Smith on, 548. 



Geographical distribution of mankind, 

 notes on, by Miss A. W. Buckland, 695. 



Geographical Section, Address by Sir 

 J. D. Hooker to the, 727. 



Geographical work of the Palestine Ex- 

 ploration Fund, Trelawney Saunders 

 on the, 741. 



Geography in Asia, the progress of, during 

 the last fifty years. Sir R. Temple on, 

 741. 



Geological maps, an international scale 

 of colours for, W. Topley on, 647. 



Geological Section, A. C. Ramsays 

 Address to the, 605. 



Geology of the island of Cyprus, R. 

 Russell on the, 640. 



, the glacial, of Central Wales, 



W. Keeping on, 648. 



the subject matter of, and its 



classification, by Prof. W. J. Sollas, 644. 



Germans, the profile of the Danes and, 

 J. Park Harrison on, 703. 



Glacial deposits of West Cumberland, 

 J. D. Kendall on the, 617. 



Glacial periods, evaporation and eccen- 

 tricity as co-factors in. Rev. E. Hill 

 on, 631. 



Glacial sections at York, and their re- 

 lation to the later deposits, by J. E. 

 Clark, 614. 



Gladstone (Dr. J. H.) on meteoric dust, 

 88 ; on the manner in which rudi- 

 mentary science should be taught, 

 and how examinations should be held 

 therein, in elementary schools, 148 ; on 



the method of determining the specific 

 refraction of solids from their solutions, 

 155 ; on the specific refraction and dis- 

 persion of light by liquids, 591. 



Glaisher (J.) on underground tempera- 

 ture, 90 ; on observations of luminous 

 meteors during the year 1880-81, 290 ; 

 on mathematical tables, 303 ; on the 

 circulation of underground waters, 309. 



Glaisher (J. W. L.) on mathematical 

 tables, 303 ; *on the q-series in elliptic 

 functions, 535 ; on the general analogy 

 between the formulas of singly and 

 doubly periodic functions, 548. 



Gnarled series of Amlwch and Holyhead, 

 in Anglesea, Prof. T. McK. Hughes on 

 the, 644. 



Godwin-Austen (Lieut.-Col.) on the steps 

 taken for investigating the natural his- 

 tory of Socotra, 194 ; on the Socotran 

 land and freshwater shells, 196. 



Gold fields, the, and the quartz outcrops 

 of Southern India, by W. King, 639. 



Gold standard in England, the relation 

 of the, to the international money 

 market, Hyde Clarke on, 759. 



Granite m situ, the occurrence of, about 

 twenty miles S.W of the Eddystone, 

 A. R. Hunt on, 610. 



Grant (Lieut.-Col. J. A.), comparative 

 sketch of what was known in Africa 

 in 1830 with what is known in 1881, 

 746. 



Grant (Prof.) on the measurement of 

 the lunar disturbance of gravity, 93. 



Gray (T.) and J. Milne, a contribution 

 to seismology, 646. 



Great Plain of Northern India, the, not 

 an old sea-basin, by W. T. Blanford, 

 638. 



*Greenhill (A. G.) on the velocity func- 

 tion of a liquid due to the motion of 

 cylinders and surfaces of revolution, 

 540. 



Giinther (Dr.) on the steps taken for 

 investigating the natural history of 

 Socotra, 194. 



'Hailstorms, the diurnal period of, A. 

 Buchan on, 544. 



Halifax hard seam, W. Cash on the, 626. 



Hall (E. H.) on the rotational coefiicient 

 in various metals, 552. 



Hallett (P.) on the work of the Anthro- 

 pometric Committee, 225. 



Halphen (Prof.) sur un crit6rium de 

 Steiner relatif A.latheorie des sections 

 coniques,532; 'onaclassof differential 

 equations, 538; on the aspects of points 

 in a plane, ih. ; *sur les series hyper- 

 geometriques, 551. 



Hancock (Dr. N.) on patent legislation, 

 222 ; on the jDresent appropriation of 

 wages and other sources of income, 272. 



