PROCEEDINGS OE 

 THE EOYAL SOCIETY. 



VOL. XXV. ^ , No. 178. 







CONTENTS. 



February 1, 1877. 



PAGE 



I. On the Mean Directions and Distribution of tlie Lines of equal Barometric 

 Pressure, and their Relations to the Mean Direction and Eorce of the Wind 

 over the British Isles, &c. By J. A. Beou^t, F.R.S. (Plates 11 & 12.) . 515 



II. The Meteorology of the Bombay Presidency. By Charles Chambees, 



F.R.S., Superintendent of the Colaba Obsei-vatory 539 



Felmary 8, 1877. 



I. On the Hindoo Division of the Octave, with some additions to the Theory of 

 the Higher Orders. By E. H. M. Bosanqfet, Fellow of St. John's 

 College, Oxford 510 



II. On the Transport of Solid and Liquid Particles in Sewer Gases. By E. 



Feankland, F.R.S 512 



III. Researches in Spectrum- Analysis in connexion with the Spectrum of the 



Sun.— No. V. By J. Norman Lockyee, F.R.S 54G 



February 15, 1877. 



Letter to the President 5 J6 



1. On Stratified Discharges. — III. On a Rapid Contact-Breaker, and the Plie- 



nomena of the Flow. By AVilliam Spottiswoode, M.A., Treas.R.S. . . 517 



II. Lymphatics and their Origin in Muscular Tissues. By George Hoggan, 



M.B., and Frais^ces Elizabeth Hoggan, M.D 550 



III. Remarks chiefly on 4872=186. By William Shanks 551 



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