CONTENTS. 



MEMOIRS. 



I. The Range of Diotis candidissima, Desf., in England and 

 Wales, and in Ireland. By Cecil P. IIURST. Plates i 

 and 2. pp. 1—8 



II. On the " Implements from the Chalk Plateau," in Kent, their 

 Character and Importance. By K. D. Darbishire, F.S.A. 

 Plates 3 to 8, pp. i-i8 



III. On Explosions of Steam Pipes due to Water-Hammers. By 



C. E. Stromeyer, M.Inst.C.E pp. i— 16 



IV. Preliminary Note on the Preparation of Barium. By Edgar 



Stanskield, B.Sc. Plate g pp. i— 6 



V. On the Measurement of High-Pressure Explosions. By J. E. 



Petavel. Plate I o pp. i — 16 



VI. On the Fusion of Quartz in the Electric Furnace. By R. S. 



HuTTON, M.Sc pp. 1—5 



VII. On the Failure of certain Cast Steel Dies used in the Manufac- 

 ture of Drawn Tubes. By George Wilson, D. So. ... pp. i— 16 



VIII. Chemical Gas Washing Apparatus. By C. E. Stromeyer, 



M.Inst.C.E. pp. I — 3 



IX. On Xenophyton radiculosiiin (Hick), and on a Stigmarian 

 Rootlet probably related to Lepidophloios fuli^inosiis 

 (Williamson). By F. E. Welss, B.Sc, F.L.S. Plates ii 

 ^0^3 PP- I— 19 



X. On the Evolution of the Mental Faculties in relation to some 

 Fundamental Principles of Motion. (The Wilde Lecture). 

 By Henry Wilde, D.Sc, F.R.S. Plates 14 to 16. ... pp. 1—34 



XI. On a Modification of Rose's Method of Separating Cobalt and 



Nickel. By R. L. Taylor, F.C.S pp. 1—7 



XII. The Chatham Islands : a Study in Biology. By Arthur 



Dendy, D.Sc pp. 1—29 



