PHILOSOPHICAL TRANSACTIONS. 



Part I, 1885. 



Contents. 



1. On the Structure and Development of the Skull in the Mammalia. — Part II. 

 — Edendata. By William Kitchen Paekeb, F.R.S. 



11. On the Structure and Development of the Skull in the Mammalia. — Part III, 

 — Insectivora. By William Kitchen Parkee, F.R.S. 



Price £2 10s. 



Part II, 1885. 



III. On the Connexion between Electric Current and the Electric and Magnetic 



Inductions in the surrounding Field. By J. H. Poynting-, M.A. 



IV. On some Applications of Dynamical Principles to Physical Phenomena. By 



J. J. Thomson, M.A., F.R.S. 



V. On the Constant of Magnetic Rotation of Light in Bisulphide of Carbon. 

 By Lord Rayleigh, M.A., D.C.L., F.R.S. 



VI. The Theory of Continuous Calculating Machines and of a Mechanism of this 

 class on a New Principle. By Professor H. S. Hele Shaw. 



VII. On Beds of Sponge-remains in the Lower and Upper G-reensand of the South 

 of England. By George Jennings Hinde, Ph.D., F.G-.S. 



VIII. Magnetisation of Iron. By John Hopkinson, M.A., D.Sc, F.R.S. 



IX. The Absorption Spectra of the Alkaloids. By W. K". Haetlet, F.R.S. 



X. Experimental Researches in Magnetism. By Professor J. A. Ewing, B.Sc. ; 

 F.R.S.E. 



XI. Observations on the Chroniatology of Actinee. By C. A. MacMunn, M.A., 

 M.D. 



XII. On the Development and Morphology of Phylloglossum Drummondii. By 

 Professor F. O. Bower. 



XIII. Results deduced from the Measures of Terrestrial Magnetic Force in the 



Horizontal Plane, at the Roval Observatory, Greenwich, from 1841 to 1876. 

 By Sir Gr. B. Airy, K.C.B., F.R.S. 



XIV. On Radiant Matter Spectroscopy. — Part II. Samarium. By William 



Crooees, F.R.S. 



XV. Researches on the Theory of Vortex Rings. Part II. By W. M. Hicks, 

 M.A., F.R.S. 



XVI. On the Clark Cell as a Standard of Electromotive Force. By Lord Rayleigh, 

 M.A., D.C.L., Sec. R.S. 



Index to Volume. 



Price £2 5s. 



Extra volume (vol. 168) containing the Reports of the Naturalists attached to the 

 Transit of Venus Expeditions. Price £3. 



Sold by Harrison and Sons. 



Separate copies of Papers in the Philosophical Transactions, commencing with 1875 ? 

 may be had of Trubner and Co., 57, Ludgate Hill* 



