IV 



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Note on the Bright Lines in the Spectra of Stars and Nebulae. By J. 

 Norman Lockyer, F.RS 50 



On the relative " Facility of Production " of Chemical Combinations, By 

 Sir B. C. Brodie, Bart., D.C.L., F.RS. (Plate 4) 51 



January 31, 1878. 



Further Eesearches on the Minute Structure of the Thyroid Gland. Pre- 

 liminary Communication. By E. Cresswell Baber, M.B. Lond 56 



On Stratified Discharges. V. Discharge from a Condenser of Large Ca- 

 pacity. By William Spottiswoode, M.A., LL.D., Treas. and V.P.R.S. 60 



On the Expression of the Product of any two Legendre's Coefficients by 

 means of a Series of Legendre's Coefficients. By Professor J. C. Adams, 

 M.A., F.RS. 63 



Experiments on the Colours shown by thin liquid Films under the Action 

 of Sonorous Vibrations. By Sedley Taylor, M.A., late Fellow of 

 Trinity College, Cambridge. (Plates 5 — 6) 71 



February 7, 1878. 



On the Comparison of the Standard Barometers of the Royal Observatory, 

 Greenwich, and the Kew Observatory. By G. M. Whipple, B.Sc., 

 Superintendent of the Kew Observatory 76 



On the Diurnal Range of the Magnetic Declination as recorded at the 

 Trevandrum Observatory. By Balfour Stewart, LL.D., F.R.S., Pro- 

 fessor of Natural Philosophy at Owens College, Manchester 81 



Note on the Value of Euler's Constant ; likewise on the Values of the 

 Napierian Logarithms of % 3, 5, 7, and 10, and of the Modulus of com- 

 mon Logarithms, all carried to 260 places of Decimals. By Professor 

 J. C. Adams, M.A., F.RS. '-. 88 



February 14, 1878. 



Concerning the Effects on the Heart of Alternate Stimulation of the Vagi. 

 By Arthur Gamgee, M.D., F.R.S., Brackenbury Professor of Physio- 

 logy in Owens College, and John Priestley, Assistant Lecturer in Phy- 

 siology in Owens College 94 



On Schulze's Mode of Intercepting the Germinal Matter of the Air. By 

 John Tyndall, F.R.S., Professor of Natural Philosophy in the Royal 

 Institution 99 



Experimental Contribution to the Etiology of Infectious Diseases with 

 sp ecial reference to the Doctrine of Contagium vivum. By E. Klein, 

 M.D., F.RS. 101 



On the Use of the Reflection Grating in Eclipse Photography. By J. 

 Norman Lockyer, F.R.S 107 



