[ ^ ] 
XXIV. On Tschienhausen’s Transformation. By Arthue Cayley, Esq..^ 
F.R.S page 561 
XXV. On the Thermal Effects of Fluids in Motion . — Part IV. By J. P. Joule, LL.JJ., 
F.B.8. &c., and Professor W. Thomson, A.M., LL.D., F.B.S. &c. . . . 579 
XXVI. On the Law of Expansion of Superheated Steam. By William Fairbaien, Esq., 
LL.B., F.B.S., and Thomas Tate, Esq 591 
XXVII. On the Long Spectrum of Electric Light. By G. G. Stokes, M.A., L.G.L., 
Sec. B.S., Lucasian Professor of Mathematics in the University of Cambridge 599 
XXVIII. On the Nature of the Forces concerned in producing the greater Magnetic Dis- 
turbances. By Balfour Stewart, M.A., F.B.S. 621 
XXIX. On the Analytical Theory of the Conic. Arthur Cayley, FI.R.aS'. . . 639 
XXX. Appendix to the Account of the Earthquake-Wave Experiments made at Holyhead. 
By Eobert Mallet, C.E., F.B.S 663 
XXXI. On the Theory of the Motion of Glaciers. By William Hopkins, Esq., St. Peter's 
College, Cambridge, M.A., F.B.S. &c 677 
XXXII. On the Anatomy and Physiology of the Sponqiadce . — Part II. By J. S. Bower- 
bank, LL.D., F.B.S., F.L.S. &c 747 
XXXIII. On the Oocidation and Disoxidation effected by the Alkaline Peroxides. By 
B. C. Brodie, F.B.S., Professor of Chemistry in the University of Oxford . 837% 
XXXIV. On the Photographic Transparency of various Bodies, and on the Photographic 
Effects of Metallic and other Spectra obtained by means of the Electric Spark. 
By W. A. Miller, M.D., LL.D., Treas. & V.P.B.S., Professor of Chemistry in 
King's College, London 861 
XXXV. Further Observations on the Distribution of Nerves to the Elementary Fibres of 
Striped Muscle. By Lionel S. Beale, M.B., F.B.S., Professor of Physiology and 
of General and Morbid Anatomy in King's College, London; Physician to King's 
College Hospital 889 
XXXVI. Besearches on the Development of the Spinal Cord in Man, Mammalia, and 
Birds. By J. Lockhart Clarke, F.B.S. 911 
XXX VH. On Spectra of Electric Light, as modified by the Nature of the Electrodes and 
the Media of Discharge. By the Bev. T. E. Eobinson, D.D., F.B.S. &c. . 939 
XXXVIII. Experimental Besearches on the Transmission of Electric Signals through 
Submarine Cables . — Part I. Laws of Transmission through various lengths of one 
Cable. By Fleeming Jenkin, Esq. Communicated by C. Wheatstone, Esq., 
F.B.S 987 
