Xll INDEX. 



Thorp, T. Exhibition of Celloidine Castings of Gratings. P. xviii. 

 "Titanic" Disaster, On Search-Liglits and the. By Henry Wilde. M. 2, 



P. viii. 

 Triscction of an Angle. By A. Adamson. P. vi. Note by W. W. 



Haldane Gee P. vi. 

 Tylodendron-Iike Fossil, A. By P. E. \yeiss. M. 18. P. xxii. 

 Tylodendron-like Fossil, Exhibition of a. By T. A. Coward. P. x. 

 Voltaic experimental Piles, Exhibition, By T. Kay. P. vii. 

 Voltex Rings of Flame in a Hydrogen-Air Mixture, Formation of. By 



H. F. Coward nnd F. Brinsley. P. xii. and xiii. 



Watson, D. M. S. The larger Coal Measure Amphibia. M. i . P. vi. 

 Weiss, F. E. The Root-apex and Young Root of Lygiiiodcndtofi. 

 M. 16. P. X. 



Tylodendron-like Fossil. M. 18. P. xxii, 



Reference to the death of Mr. R. Cotton. P. xxii. 



Reference to the death of Mr. Arthur McDougall. P. x. 



Reference to Terra Nova Expedition. P. xvii. 



Wild, R. B. Obituary notice of J. Dixon Mann. P. xxxii. 



Wilde, Henry. On Search-Lights and the "Titanic"' Disaster. M. 2. 

 P. viii. 



On some new Multiple Relations of the Atomic \\'eights of Ele- 

 mentary Substances ; &nd on the Classification and Transformations oi 

 Neon and Helium. M. 12. P. xxiii. 



X-rays through Crystals, The Interference-Phenomena produced. By C G> 

 Darwin. P. ix. 



Zirkel, F., Obituary notice of. By G. H. P. xxxvi. 



