[ iv ] 
VII. On the Viscosity of Gases at High Exhaustions. By William Crookes, 
F.R.S. . ..page 387 
Note on the Reduction of Mr. Crookes’s Experiments on the Decrement of the 
Arc of Vibration of a Mica Plate oscillating within a Bulb containing more or 
less Rarefied Gas. By Professor G. G. Stokes, Sec.R.S .435 
VIII. On the Electrical Resistance of Thin Liquid Films, with a revision of Newton’s 
Table of Colours. By A. W. Reinold, M.A., Professor of Physics in the Royal 
Naval College, Greenwich, and A. W. Rucker, M.A., Professor of Physics in 
the Yorkshire College, Leeds. Communicated by Professor W. Grylls Adams, 
F.R.S. .447 
IX. On the Tidal Friction of a Planet attended by several Satellites, cmd on the 
Evolution of the Solar System. By G. H. Darwin, F.R.S .491 
X. On the Thermal Conductivity of Water. By J. T. Bottomley. Communicated by 
Sir William Thomson, LL.D., F.R.S., Professor of Natural Philosophy in the 
University of Glasgow . 537 
XI. Description of some Remains of the Gigantic Land-Lizard (Megalania prisca, 
Owen), from Australia. — Part III. By Professor Owen, C.B., F.R.S., &c. 547 
Index to Part II. .557 
PART III. 
XII. Researches in Spectrum-Analysis in connexion with the Spectrum of the Sun .— 
No. V. By J. Norman Lockyer, F.R.S. .561 
XIII. Researches on the Minute Structure of the Thyroid Gland. By E. Cresswell 
Baber, M.B. Bond. Communicated by E. Klein, 31.D., F.R.S. . . . 577 
XIV. On Toroidal Functions. By W. M. Hicks, M.A., Fellow of St. John's College, 
Cambridge. Communicated by J. W. L. Glaisher, 31.A., F.R.S. . . 609 
XV. Polacanthus Foxii, a large undescribed Dinosaur from the Wealden Formation in 
the Isle of Wight. By J. W. Hulke, F.R.S. .653 
XVI. On the Histology and Physiology of Pepsin-forming Glands. By J. N. Langley, 
31.A., Fellow of Trinity College, Cambridge. Communicated by Dr. M. 
Foster, F.R.S .663 
