VI CONTENTS. 



XI. A Preliminary Account of the Submerged X'cgelalion of 

 Lake Windermere as affecting the Feeding Ground of 

 Fish. By Professor F. E. Weiss, D.Sc, F.L.S. With 



Te.xl- figure PP- i— 9 



{Issued separately^ April Tlh, igog). 



XII. Differences in the Decay of llie Radium Emanation. By 



Professor E. RuTHEKi'OkD and V. TuoMiKOSKi... \>\>. 1—2 

 {Issued separately, April ytk, lOog) 



XIII. On llie Moving P'orce of Terrestrial and Celestial Bodies 

 in relation to the Attraction of Gravitation. By IIenuy 

 Wilde, D.Sc, D.C.L., F.R.S pp. i-9 



{Issued separately, April Slh, iQoc)). 



XI\'. On the Occurrence and Distribution of some Alien A(]uatic 

 Plants in the Reddish Canal. By Professor F. E. 

 Weiss, D.Sc, F.L.S., and H. Murray, lyuh 7e.\i- 

 ^igure ... ... ... ... ... ... ... pp. I — 8 



{Issued separately, April 2/ st, igoq). 



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



(Communicated by T. A. Coward, F.Z.S.) ... pp. i — 9 

 {Issued separately, April 26lh, iQog). 



XVI. On the Influence of Moisture on Chemical Change in 

 Gases. (The Wilde Lecture.) By II. Brereton Baker, 



M.A., D.Sc, F.R.S pp. 1—8 



{Issued separately. May tith, igog). 



XVII. The Action of Hydrogen on Sodium. By Am-'keo 



Hoi.T, jun., M.A pp. 1 — 5 



{Issued separately, May nth, igog). 



XVIII. On some Colour Demonstrations of the Dissociating 



Action of Water. By R. L. Taylor, F.I. C. ... pp. 1—3 



{Issued separately. May 2Sth, igog). 



XIX. A Modification of the Beckmann Apparatus by which 

 Constant Readings are obtained in determining the 

 Boiling Points of Aqueous Solutions. By Professor 

 Edmund Knecht, Ph.D., and J. P. Batky, M.ScTech. 

 With Text-Jigure ... ... ... ... ... pp. 1—6 



{Issued separately, May zSth, igog). 



.XX. On the Tent-building Habits of the Ant, I.auiis itiger, 

 Linn., iu Japan. By Marie C. Stoi-ks, Ph.D., D.Sc, 

 and C. Gordon Hewitt, With Plate pp. 1—6 



{Issued separately, June gt/i, igog). 



