Plantar surface, the epidermis of the, and the question of use-inheritance, Dr. F. A. Dixey on, 698.

*Plants, the structure of fossil, in its bearing on modern botanical questions, Dr. D. H. Scott on, 698. Plateau beds, the age of the, W. Whitaker on, 652.

implements in Kent, the geology of the, Prof. T. Rupert Jones on, 651. Pleistocene gravel at Wolvercote, near Oxford, A. M. Bell on the, 663. *Poisons, the absorption of, Prof. P. Heger on, 804.

†Polar exploration, current, Col. H. W. Feilden on, 711.

Polisiphonia nigrescens, the development of the cystocarp in, H. Phillips on, 684.

*Pollard (H. B.) on some models of the

crania of siluroids, 698.

Polychata, suggestions for a new classification of the, by Dr. W. B. Benham, 696.

Polygons, regular, a linkage for the automatic description of, Prof. J. D. Everett on, 559

*Polyodon, the structure of the integument of, W. E. Collinge on, 683. *Polyrheotome, a new spring kymograph and, Prof. T. W. W. Engelmann on, 818.

*Portal vein, the innervation of the,

E. M. Bayliss and Dr. Starling on, 811. POULTON (Prof. E. B.) on the work of the Corresponding Societies Committee,

on signalling through space, 756. Prehistoric and ancient remains of Glamorganshire, second report on the, 418.

man in the old alluvium of the Sabarmati River in Gujarat, Western India, R. B. Foote on, 664.

objects collected during a journey and explorations in Central and Eastern Crete, exhibition of, by Arthur J. Evans, 777.

studies in Belgium, the present state of, Count Goblet d'Alviella on, 783.

Pressures in the bores of guns, methods

that have been adopted for measuring, Sir A. Noble on, 523.

PRESTWICH (Prof. J.) on underground temperature, 107.

on earth tremors, 145.

PRICE (L. L.) on the methods of economie training in this and other countries, 365.

on the report of the Labour Commission, 730.

*Prices, wages, and the standard of value, Edward Atkinson on, 730. PRINGSHEIM (E.) and O. LUMMER, a new determination of the ratio of the specific heats of certain gases, 565. Probability curve, the asymmetric, Prof. F. Y. Edgeworth on, 562.

*Production, factors of, H. Higgs on, 729. *Protoplasm, the relations of, Prof. E. van Beneden on, 684.

Pteridophytes, the origin of the sexual organs of the, Prof. D. H. Campbell on, 695.

Publication of papers and rules of priority, T. R. R. Stebbing on the, 697. PYCRAFT (W. P.), the wing of Archæo

pteryx viewed in the light of that of some modern birds, 693.

Pygmies in Europe, Professor J. Kollmann on, 781.

Pygmy races, mythical, Prof. B. Windle on, 781.

Quantic, the binary, of unlimited order, the invariant ground-forms of, Major P. A. MacMahon on, 579. Quantitative analysis, the electrolytic methods of, report on, 160.

QUINCKE (Prof. G.) on the formation of soap-bubbles by the contact of alkaline oleates with water, 475.

RAMSAY (Prof. W.) on the bibliography of solution, 246.

and Lord RAYLEIGH on a new gaseous constituent of air, 614. RANDALL (Dr. W. W.) on the effect of dilution upon the colours of salt solutions and the measurement of this effect, 618.

Rates, the inequality of local; its extent, causes, and consequences, Edwin Cannan on, 734.

RAVENSTEIN (E. G.) on the climatological and hydrographical conditions of Tropi cal Africa, 348.

on the exploration of Hadramout, in Southern Arabia, 354.

on an ethnographical survey of the United Kingdom, 419.

RAWSON (Sir R.) on the work of the Corresponding Societies Committee, 19. RAYLEIGH (Lord) on practical electrical standards, 117.

on the minimum current audible

in the telephone, 572.

an attempt at a quantitative theory

of the telephone, 573.

་

TRAYLEIGH (Lord) on the amplitude of sonorous waves which are but just audible, 573.

and Prof. W. RAMSAY on a new gaseous constituent of air, 614. Reaction time, simple, for sight, hearing, and touch, Prof. W. Rutherford on the measurement of, 805.

Reduction division' in the cartilaginous fishes, J. E. S. Moore on the, 338. REID (A. S.) on the collection, preserration, and systematic registration of photographs of geological interest in the United Kingdom, 274.

(Prof. E. Waymouth) on 'pigeons' milk,' 812.

Reindeer age, a new statuette of the,

representing a woman, sculptured in ivory, Dr. E. Cartailhac on, 783. Relationship, the classificatory system of, Rev. Lorimer Fison on, 788. *Relief of the British Isles, B. V. Darbishire on a new representation of the vertical, 718.

RENNIE (J.), comparison of certain ohm standards of the Board of Trade, 130. Rent' and interest,' proposal for an agreement on the terms, by C. S. Devas, 733.

Resistance of copper and of silver, Rev. T. C. Fitzpatrick on the specific, 131.

experienced by solids moving through fluids, Lord Kelvin on the, 557. Response of animals to changes of temperature, M. S. Pembrey on the, 791. REYNOLDS (Prof. J. Emerson) on the electrolytic methods of quantitative analysis, 160.

(Prof. Osborne) on methods of determining the dryness of steam, 392. * -, experiments showing the boiling of water in an open tube, 564. Rhætic strata of Britain, vertebrate remains from the, Montagu Browne on some, 657.

RIDEAL (Dr. S.) on the iodine value of sunlight in the High Alps, 612. Riemann, la géométrie non-euclidienne de, les principes fondamentaux de, Prof. P. Mansion sur, 579. RILEY (Prof. C. V.) on the present state of our knowledge of the zoology of the Sandwich Islands, 343.

on social insects and evolution, 689. (E.) on the best method of establishing an international standard for the analysis of iron and steel, 237. ROBERTS (Dr. I.) on earth tremors, 145.

on the circulation of underground waters, 283.

on photographs of spiral and elliptic nebulæ, 569.

(W. R. Westropp), a method of determining all the rational and integral

algebraic integrals of the Abelian system of differential equations, 557. ROBERTS-AUSTEN (Prof. W. C.) on the bibliography of spectroscopy, 161.

on the best method of establishing an international standard for the analysis of iron and steel, 237.

on the electrolysis of glass, 615. ROBERTSON (David) on the character of the high-level shell-bearing deposits at Clara, Chapelhall, and other localities, 307; on the Chapelhall clay, 313. ROBINSON (Dr. Louis) on the anthropological significance of ticklishness, 778. RODGER (J. W.) and Dr. T. E. THORPE

on the relations between the viscosity of liquids and their chemical nature, 615. ROMANES (Dr. G. J.) on the influence of previous fertilisation of the female on her subsequent offspring, and the effect of maternal impressions during pregnancy on the offspring, 346. Ronayne's cubes, Prof. H. Hennessy on, 578.

*Root and shoot, the correlation between, Prof. L. Kny on, 688.

*Root-tip, the sensitiveness of the, Prof. W. Pfeffer on, 689.

ROSCOE (Sir H. E.) on the best methods of recording the direct intensity of solar radiation, 106.

on wave-length tables of the spectra of the elements and compounds, 248.

on the teaching of science in elementary schools, 359.

Rotary energy in non-colliding rigid bodies, the possible laws of partition of, G. H. Bryan on, 98.

*Rotating cylinder, the behaviour of a, in a steady current, A. Mallock on, 557.

Rotational axis of the earth, the displace

ment of the, Prof. W. Förster on, 476. ROTH (H. Ling) on the alleged presence of negritoes in Borneo, 780.

on Tasmanian stone implements, 782. RÜCKER (Prof. A. W.), Address to the Mathematical and Physical Section by,

543.

RUDLER (F. W.) on the volcanic phenomena of Vesuvius and its neighbourhood, 315.

RUMLEY (Mair) on methods of determining the dryness of steam, 392. RUSSELL (J. W.), a complete solution of the problem To find a conic with respect to which two given conics shall be reciprocal polars,' 578.

the impossibility of trigraphic fields of spaces, 578.

(Dr. W. J.) on the action of light upon dyed colours, 238.

RUTHERFORD (Prof. W.) on the measurement of simple reaction time for sight, hearing, and touch, 805.

on the microscopic appearance of striped muscle in rest and in contraction, 806.

SALISBURY (Lord), Presidential Address at Oxford, 3.

SALVIN (0.) on the present state of our knowledge of the zoology of the Sandwich Islands, 343. Salt-bearing marls, Carboniferous limestone, and Triassic sandstone of the north of the Isle of Man, Prof. W. Boyd Dawkins on the, 662.

Sandwich Islands, the zoology of the, fourth report on the present state of our knowledge of, 343.

SAUNDERS (Howard) on the legislative protection of wild birds' eggs, 347. Saurian footsteps, some forms of, from

the Cheshire Trias, O. W. Jeffs on, 658. SCHÄFER (Prof. E. A.) on the influence of previous fertilisation of the female on her subsequent offspring, and the effect of maternal impressions during pregnancy on the offspring, 346.

on the structure and function of the mammalian heart, 464.

-,Address to the Physiological Section by, 795.

on effects of supra-renal extract,

806. SCHMELTZ (Dr. J. D. C.) on the shells

used in the domestic economy of the Indonesians, 786.

SCHMIDT (Ad.) on the results of a new analytical representation of the distribution of magnetic force on the surface of the earth, 570.

SCHOUTE (Prof. P. H.) on the order of the groups related to the anallagmatic displacements of the regular bodies in n-dimensional space, 562. †Schuller's yellow modification of arsenic, Prof. H. McLeod on, 615. SCHUSTER (Prof. A.) on practical electrical standards, 117.

on the best methods of recording the direct intensity of solar radiation, 106. on wave-length tables of the spectra of the elements and compounds, 248

a suggested explanation of the secular variation of terrestrial magnet. ism, 571.

on the construction of delicate galvanometers, 572.

Science, the teaching of, in elementary schools, report on, 359.

SCLATER (Dr. P. L.) on the occupation of a table at the zoological station at Naples, 335.

on the present state of our know

ledge of the zoology of the Sandwich Islands, 343.

SCLATER (Dr. P. L.) on the zoology and botany of the West India Islands, 344.

on the compilation of an indes generum et specierum animalium, 347.

(W. L.) on the compilation of an index generum et specierum animalium, 347.

*SCOTT (Dr. D. H.) on the structure of fossil plants in its bearing on modern botanical questions, 698. SEDGWICK (A.) on the occupation of a table at the zoological station at Naples, 335. SEEBOHM (H) on the exploration of Hadramont, in Southern Arabia, 354. *SEWARD (A. C.) on the geological history of Cycads, 698.

- (E.) on the prehistoric and ancient remains of Glamorganshire, 418. Sex, the role of, in evolution, Prof. J. B. Haycraft on, 691.

SHARP (D.) on the present state of our knowledge of the zoology of the Sand wich Islands, 343.

on the present state of our know ledge of the zoology and botany of the West India Islands, 344.

SHAW (W. N.) on practical electrical standards, 117.

Shell-bearing deposits, the high-level, at

Clara, Chapelhall, and other localities, the character of, second report on, 307. Appendix: on the Chapelhall clay, by David Robertson, 313. Shells used in the domestic economy of the Indonesians, Dr. J. D. C. Schmeltz on the, 786.

SHERRINGTON (Prof. C. S.) on the structure and function of the mammalian heart, 464.

Sierra Madre of Mexico, explorations in the, O. H. Howarth on, 715. Sight, hearing, and touch, the measure ment of simple reaction time for, Prof. W. Rutherford on, 805. *Signalling through space, W. H. Preece

on, 756.

*Siluroids, some models of the crania of, H. B. Pollard on, 698. Skates, ancient bone, Dr. Robert Munro on, 784.

*Skeletons, the long barrow, from Rushmore, Dr. J. G. Garson on, 784. *Skin, hair, and pigment, notes on, by Prof. A. Thomson, 778.

SLADEN (Percy) on the occupation of a table at the zoological station at Naples, 335.

*SMART (Bolton) on the unemployed, 730. SMITH (E. A.) on the present state of our knowledge of the zoology of the Sandwich Islands, 343.

(Vet.-Capt. F.) on an attempt to

supply motor power to the muscles of the larynx from a new source, 815. SMITH (Dr. J. Lorrain) and E. TREVITHICK, a form of experimentally produced immunity, 808.

(Prof. Michie) on underground temperature, 107.

(Dr. Wilberforce) on the physical and mental deviations from the normal among children in public elementary and other schools, 434.

on the work of the anthropometric laboratory at the Nottingham meeting, 444.

(W. G.), experiments on memory,

817. SNELUS (G. J.) on the best method of establishing an international standard for the analysis of iron and steel, 237. Soap-bubbles, the formation of, by the contact of alkaline oleates with water, Prof. G. Quincke on, 475.

Soap-films, the effect of gases on the

surface tension and electrical conductivity of, H. Stansfield on, 569. Soda-felspar rock at Dinas Head, north coast of Cornwall, Howard Fox on a, 655.

Solar radiation, tenth report on the best methods of recording the direct intensity of, 106.

Solution, the bibliography of, eighth (interim) report on, 246. *Solutions, properties of, interim report on the, 630.

salt, the effect of dilution upon the colours of, and the measurement of this effect, Dr. W. W. Randall on, 618. †Sonorous waves which are but just audible, the amplitude of, Lord Rayleigh on, 573.

South Georgia or other Antarctic island, report of the Committee for making geographical, meteorological, and natural history observations in, 358. Space, n-dimensional, the order of the groups relating to the anallagmatic displacements of the regular bodies in, Prof. P. H. Schoute on, 562. Spectra of the elements and compounds, wave-length tables of the, report on, 248. Spectroscopy, the bibliography of, sixth report on, 161.

Spectrum analysis, new methods of, and on Bessemer flame spectra, Prof. W. N. Hartley on, 610.

of aiming at uniformity in the, G. G. Chisholm on the, 717.

SPILLER (J.) on the best method of esta

blishing an international standard for the analysis of iron and steel, 237. Spring, a loaded spiral, the vibrations of, L. R. Wilberforce on, 577. *Standard of value, prices, and wages, Edward Atkinson on, 730.

*Standards of low electrical resistance, Prof. J. Viriamu Jones on, 592. STANSFIELD (H.) on the effect of gases on the surface tension and electrical conductivity of soap-films, 569. *STARLING (Dr.) on the mechanical theory of lymph formation, 810.

and W. M. BAYLISS on the inuervation of the portal vein, 811. Statistics and Economic Science, Address by Prof. C. F. Bastable to the Section of, 719.

Statuette, a new, of the Reindeer age re. presenting a woman, sculptured in ivory, Dr. E. Cartailhac on, 783. Steam-engine cylinders, the most eco. nomical temperature for, or hot v. cold walls, Bryan Donkin on, 755.

locomotion on common roads, some reminiscences of, by Sir F. J. Bramwell, 748.

STEBBING (T. R. R.) on random publishing and rules of priority, 697. Steel and iron, the best method of establishing an international standard for the analysis of, final report on, 237.

the strength and plastic exten. sibility of, Prof. T. C. Fidler on, 750. Sterilisation and a theory of the strobilus, Prof. F. O. Bower on, 695.

Stock Exchange taxation, Dr. J. Mandello on, 729.

STOKES (Sir G. G.) on the best methods

of recording the direct intensity of solar radiation, 106.

Stone age on the borders of the Mediterranean basin, the end of the, Dr. E. Cartailhac on, 783.

implements of Australian type from Tasmania, Dr. E. B. Tylor on some, 782. implements, the evolution of, H. Stopes on, 776.

implements, Tasmanian, H. Ling Roth on, 782.

Stonesfield slate, report on opening further sections of the, 304.

STONEY (Ďr. G. Johnstone) on the best methods of recording the direct intensity of solar radiation, 106.

on practical electrical standards, 117.

on the cause of the spurious double lines sometimes seen with spectroscopes, and of the slender appendages which accompany them, 583.

STONEY (Dr. G. J.), how to avoid the misuse of the word 'Force,' in attractions, electricity and magnetism, without much departure from existing practice, 586.

on a nomenclature for very much facilitating the use of systematic measures, 587.

STOOKE (T. S.) on the circulation of underground waters, 283.

STOPES (H.) on the evolution of stone implements, 776.

(Mrs.), three Neolithic settlements in North Kent, 785.

STRAHAN (A.) on underground temperature, 107.

*Strains, small, an apparatus for measuring, Prof. J. A. Ewing on, 574. *STRASBURGER (Prof. E.) on the periodic variation in the number of chromosomes, 684.

String, a stretched, a new explanation of the wave-movements of, W. Barlow on, 593.

Strobilus, a theory of, Prof. F. O. Bower on sterilisation and, 695.

STRONG (Oliver S.) on a modification of Golgi's methods, 815.

STROUD (Prof. W.) on the action of light upon dyed colours, 238. STRUTHERS (Prof. J.) on the carpus of the Greenland right-whale compared with that of fin-whales, 684. Suffocation in mines, the cause and prevention of, Dr. J. S. Haldane on, 816. Sulphur, phosphorus and aldehyde, the rate of oxidation of, Dr. T. Ewan on, 609.

Sunlight in the High Alps, the iodine value of, Dr. S. Rideal on, 612. *Suprarenal extract, Prof. E. A. Schäfer on effects of, 806.

Surface-tension of soap-films, the effect of gases on, H. Stansfield on, 569. SWINBURNE (James) on the hunting' of governed engines, 758. SYMONS (G. J.) on the work of the Corresponding Societies Committee, 19.

on the best methods of recording the direct intensity of solar radiation, 106. on underground temperature, 107.

on the application of photography to the elucidation of meteorological phenomena, 143.

on earth tremors, 145.

on the circulation of underground waters, 283.

on the climatological and hydrographical conditions of Tropical Africa, 348.

Tartrarsenites, G. G. Henderson and A. R. Ewing on the, 624.

Tasmania, some stone implements of

Australian type from, Dr. E. B. Tylor on, 782.

*Tasmanian stone implements, H. Ling Roth on, 782.

*Tautomerism, investigations on, by Prof. W. J. Brühl, 620.

Taxation, Stock Exchange, Dr. J. Mandello on, 729.

TAYLOR (H.) on practical electrical standards, 117.

TEALL (J. J. H.) on the collection, preservation, and systematic registration of photographs of geological interest in the United Kingdom, 274.

on the volcanic phenomena of Vesurius and its neighbourhood, 315. *TEICHMÜLLER (J.) on the specific conductivity of copper, 592.

Telegony, interim report on, 346. †Telephone, an attempt at a quantitative theory of the, Lord Rayleigh on, 573. the minimum current audible in the, Lord Rayleigh on, 572.

t

*

photographic records of currents produced by speaking with a, the production with the capillary electrometer of, G. J. Burch on, 818.

Temperature entropy diagrams, H. F. W. Burstall on the, 758.

as a factor in the distribution of marine animals, Dr. O. Maas on, 627. underground, report on, 107. TEMPLE (Sir R.) on the teaching of science in elementary schools, 359. Terraced hill slopes of North Oxfordshire, E. A. Walford on the, 645. Tetanus, the voluntary, in man, on some experiments to determine the timerelations of, by D. Fraser Harris, 792. *Thames bacillus, Prof. Marshall Ward on a, 698.

Thermodynamics, the present state of our knowledge of, report on, by G. H. Bryan: Part II, the laws of distribution of energy and their limitations, 64. Appendix:

A. The possible laws of partition of rotary energy in non-colliding rigid bodies, 98.

B. On the law of molecular distribution in the atmosphere of a rotating planet,

100.

C. On the application of the determinantal relation to the kinetic theory of polyatomic gases, by Prof. Ludwig Boltzmann, 102.

Thermometer, platinum, a direct reading form of, G. M. Clark on, 758. THOMAS (J. W.) on the proximate chemical constituents of coal, 246.

on the chemistry of coal formation,

611.

(T. H.) on the legislative protection of wild birds' eggs, 347.