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Contents of PROCEEDINGS, No. A 519. May, 1906. 



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ON THE FIGURE AND STABILITY OF A LIQUID SATELLITE. By 



Sir George Howard Darwin, K.C.B., F.R.S. (Abstract) 422 



ON THE COEFFICIENT OF VISCOUS TRACTION AND ITS RELATION 



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THE CALCULATION OF ELLIPSOIDAL HARMONICS. By Sir W. D. Niven, 



K.C.B., V.-P.R.S 458 



ON THE OBSERVATIONS OF STARS MADE IN SOME BRITISH STONE 



CIRCLES.— SECOND NOTE. By Sir Norman Lockyer, K.C.B., F.R.S., LL.D.,. Sc.D., Director 

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ON THE DISTRIBUTION OF RADIUM IN THE EARTH S CRUST, AND 



ON THE EARTH'S INTERNAL HEAT. By the Hon. R. J. Strutt, F.R.S., Fellow of Trinity 

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ON THE DILATATIONAL STABILITY OF THE EARTH. Bv Lord Rayleigh, 



O.M., Pres. R.S 486 



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