— LXXVII — 



Ivon and Steel Conductors by Twisting them when Magnetised or by Magnetising them when Twisted. — 

 Gasse. The Prehensores of Male Bulterflies of the Genera Orniihoptera and Papilio. — Kronacker 

 and Mellzer. On Propagation of Inhibitoiy Excitation in the Medulla Oblongata. — Glazebrook. On 

 the Eefraction of Piane Polarised Light at the Surface of a Uniaxal Crystal. — Stillingfleel Johnson. 

 On Allotropie or Active Nitrogen and on the Complete Synthesis of Ammonia. — Mills and fìickd. 

 Researches on Chemical Equivalence. Part IV. Manganous and Nickelons Sulpliates. — Mills and 

 Ilunt. Researches on Chemical Eqnivalence. — 217. Henlman- On the Genus Culeolus. — Parker. On 

 the Development of the Skull in Lepidosieus osseons. — Balfour and Parker. On the Structure and 

 Development of Lepidosieus. — Reinsch. On a New Minerai found in the Island of Cyprus. — Sedgwick. 

 On certain points in the Anatomy of Chiton. — Mallock. The Action of Cutting Tools. — Milne 

 and Gray. On the Seismic Experiments. — ■ Gore. On the Electrolytic Diffusion of Liquids. — Rodwell. 

 On the Coefficients of Contraction and Expansion by Heat of the lodide of Silver, Agi, the lodide 

 of Copper, Cuglj, and of Five AUoys of these lodides. — Thomson. On the Vibrations of a Vortex 

 Ring, and the Action of Two Vortex Rings upon each other. — Burdon Sanderson. On the Electromotive 

 Properties of the Leaf of Dionsa in the Excited and Unexcited States. — ■ Gore. On some Effects of 

 Transmitting Electric Cuvrents through Magnetisel Electrolytes. — Lockyer. Preliminary Report to 

 the Solar Physics Committee on the Sun-spot Observations made at Kensington. — Cremile Williams. 

 On p-Lutidine. — Abneij. On the Effect of the Spectrum on the Haloid Salts of Silver , and on 

 Mixtures of the sarae. — Sulton. On a New Electrical Storage Battery. — Heape. On the Germinai 

 Layers and Early Development of the Mole. — Gaskell. On the Rhythm of the Heait of the Frog, 

 and on the Nature of the Action of the Vagus Nevve. — Mills. On Melting Point. — Forsylh. Memoir 

 on the Theta-Functions, particularly those of Two Variables. — Russell. On certain Geometrioal 

 Theorems. — Malet. On a Class of Invariants. — Hill. Oii the Constituent of the Atmosphere which 

 absorbs Eadiant Heat. — 218. Dawson. On the Results of Recent Explorations of Erect Trees con- 

 taining Eeptilian Remains in the Goal Formation of Nova Scotia. — Gray. Oa the Variation of 

 the Electric Conductivity of Glass with Temperature, Density, and Chemical Coraposition. — 

 Sutton. On a New Electrical Storage Battery. — Russell. On certain Definite Integrala. — Dewar. 

 Manometric Observations in the Electric Are. — Seti. On a Series of Salts of a Base containing 

 Chromium and Urea. — Liveing and Dewar. On the Spectrum of Water. No. II. — Hulke. An At- 

 tempt at a Complete 0.-,teology of Hypsilophodon Foxii., a British Wealden Dinosaur. — Tomlinson. 

 The Influence of Stress and Strain on the Action of Physical Forces. — Hannay. On the Limit of 

 the Liquid State. — Mannheim. Sur les Surfaces Homofocales du Second Ordre. — • Frankìand. On 

 Measuring the relative Thermal Intensity of the Sun, and on a Self-Registering Instrument for that 

 purpose. — Spottiswoode. Note on Mr. Russell's paper, « On certain Definite Integrala. No. 10 ». — 

 Flight. Report of an Examination of the Meteorites of Cranbourne, Australia; of Rowton, Shropshire; 

 and of Middlesbrough, in Torkshire. — Worthington. On Impact with a Liquid Surface. — Watney. 

 The Minute Anatomy of the Thymus. — Waller and de Watleville. On the Influence of the Galvanic 

 Current on the Excitability of the Motor Nerves of Man. — Byrne Power. On the Exerction of 

 Nitrogen by the Skin. — Debus. The Bakerian Lecture on the « Chemical Theory of Gunpowder ». — 

 219. Huxley.. A Contribution to the Pathology of the Epidemie known as the « Salmon Disease » — 

 Siemens. On the Conservation of Solar Energy. — Rayleigh. Experiments to Determine the Vaine of 

 the British Association Unit of Resistance in Absolute Measure. — Sanders. Contributions to the 

 Anatomy of the Central Nervous System in Vertebrate Animals. Sub-section I. Teleostei. Appendix. 

 On the Brain of the Mormyridae. — Liveing and Dewar. On the Spectrum of Carbon. — Balfour- 

 Slewart. Preliminary Report to the Solar Physics Committee on a Compari son for Two Years between 

 the Diurnal Ranges of Magnetic Declination as recorded at Kew Observatory, and the Diurnal Ranges 

 of Atmospheric Temperature as recorded at the Observatories of Stonyhurst, Kew, and Palmouth. — 

 Mannheim. Sur les Centres des Courbure Principaux des Surfaces Homofocales du Second Ordre. — 

 Iluggins. Note on the Photographic Spectrum of the Great Nebula in Orion. — Liveing and Dewar. 

 On the Disappearance of some Spectial Lines and the Variations of Metallic Spectra due to Mixed 

 Vapours. — Hill. On the Constituent of the Atmosphere that Absorbs Radiant Heat. II. — Galloway. 

 On the Influence of Coal-dust in Collier Explosioiis. — Fraser. On the Development of the Ossicula 



