INDEX. XI 



Reception of Dalton's atomic theory. By A. N. Meldruni. M. 19. 



Remarkable steel crystals. By E. F. Lange. M. 24. 



Roman numerals i. — x., origin of. By W. Boyd Dawkins. P. .xvi. 



Rubber, physical properties of. By A. Schwartz and P. Kemp. M. 12. 



Rubl)er strip, effects of heat on. By P. Kemp. P. x. 



Russ, S. and Makower, W. Notes on Scattering during Radio-active 



Recoil. M. 2. 

 Rutherford, E. The scattering of the a and p rays and the structure of the 



atom. P. xviii. 

 Saturn's rings, origin of. By H. Wilde. M. i. 

 Saturn's rings, periodic times of. By H. Wilde. M. 14. 

 Scattering during Radio-active Recoil. By W. Makower and S. Russ. M. 2. 

 Scattering of the « and (3 rays and the structure of the atom. Bv E. 



Rutherford. P. xviii. 

 Schwartz, A. and Kemp, P. Some physical properties of rubber. M. 12. 

 Sigillai-ia and Sfigmarropsis. By F. E. Weiss. P. x. 

 Silver-on -glass parabolir mirrors, prevention of tarnishing of. By T. Thorp. 



P. iii. 

 Smith, G. Elliot. Convolutions of the Brain. P. v. 



Exhibit of cast of Gibraltar skull. P. xviii. 



Smith, Norman. Obituary notice of J. II. van't Hoff. P. xxxvii. 



Stansfield, M. Obituary notice of Sir W. Iluggins. P. xxxix. 



.Steel, crystalline structure of. By E. F. Lnnge. M. 24. 



Steel crystals, account of some remarkal^le. By E. F. Lange. .M. 24. 



Sfigiirarinpsis and Sigillayia, By F. E, Weiss. P. x. 



Stresses in a heavy body. By R. F. Gwyther. M. 20. 



.Stromeyer, C. E. Process for reproducing sulphide segregations in steel on 



photographic paper. P. iii. 

 Structure of the atom. By E. Rutherford. P. xviii. 

 Studies in the Morphogenesis of certain Pelecypoda. By M. C. March. 



(I) M. 8. (2) M. II. (3) M. 15. 

 Sulphide segregations in steel reproduced photographically. By C. E. 



Stromeyer. P. iii. 

 Thomson, W. On the influence of atmospheric pressure and humidity on 



animal metabolism. P. xxii. 

 Thorp, T. Prevention of tarnishing of silver-on-glass parabolic mirrors. 



P. iii. 

 Trigonia clavdlata and some of its derivatives, ornament of. By M. C. 



March. M. 15. 

 Trigonia gibbosa. ancestry of. By M. C. March. M, 11. 

 Unio pictorum . variation in. By M. C. March. M. 8. 

 Unio titjuidiis, variation in. By M. C. March. M. 8. [ov^r 



