Vor,. 53 : Part II. 



MEMOIRS AND PROCEEDINGS 



OF 



THE MANCHESTER 



LITERARY & PHILOSOPHICAL 



SOCIETY, 1908-1909. 



CONTENTS 

 Memoirs : 

 VII. The Volatility of Radium A and Radium C. By Walter Makower, 



B.A., B.Sc. 2 Text-figs. pp. 1-8. 



(Issued separately, Jamcary iSth, /Qog). 



VIII. The Dawn of Humaa Intention. An Experimental and Compara- 

 tive Study of Eoliths. By Prof. Alfred Schwartz and Sir Hugh 

 R. Beevor, Bart, M.D. 7 Text-figs. pp. 1—34. 



(^Issued separately, February 3rd, igog). 



IX. The Dowels of some Egyptian Coffins of the Xllth Dynasty. By 



T. G. B. Osborn, B.Sc. 2 Text -figs. pp. i -5. 



(Issued separately, February 24th, igog). 



X. On the Diatomaceous Deposit of the Lower Baon Valley Co.'s 

 Antrim and Derry, and Prehistoric Implements found therein. 

 By J. Wilfrid Jackson, F.G.S. Plates I.— IV. and 2 Text-figs. pp. 1—26. 



{Issued separately, April 2nd, igog). 



XI. A Preliminary Account of the Submerged Vegetation of Lake 

 Windermere as affecting the Feeding Ground of Fish. By 

 Prof. F. E. Weiss, D.Sc, F.L.S. With Text-fig. - - - pp. 1-9. 



(Issued separately, April 7tk, igog). 



XII. Differences in the Decay of the Radium Emanation. By Prof. E. 



Rutherford and Y. Tuomikoski pp. 1—2. 



{Issued separately, April jth, igog). 



XIII. On the Moving Force of Terrestrial and Celestial Bodies in 



relation to the Attraction of Gravitation. By Henry Wilde, 



D.Sc, D.C.L., F.R.S. Pp. i— 9- 



{Issued separately, April Sth, igog). 



XIV. On the Occurrence and Distribution of some Alien Aquatic Plants 



in the Reddish Canal. By F. E. Weiss, D.Sc, F.L.S., and 



H. Murray. IVith Text-fig - pp. 1-8. 



(Issued separately, April 2ist, igog). 



XV. The Use of Wind by Migrating Birds. By F. Stubbs. (Cora 



municatedbyT. A, Coward, F.Z.S.) PP- i-9- 



(Issued separately, April 26th, igog). 



Proceedings pp. xi.— xxi. 



MANCHESTER: 

 ^36, GEORGE STREET. 



Ipcicc 3four SblUtngs. 



A fir a ■joth, igog. 



