Xll INDEX. 



Salvia salar. Intensive Study of the Scales of three Specimens. By P. C. 



Esdaile. M. 3. P. vi. 

 Scrutineers. P. xxxviii. 



Search-Lights for the Mercantile Marine, On. By H. Wilde. M. 13. P. xli. 

 Shell, Modes of rupture of an open hemispherical concrete ... By J. R. 



Gwyther. M. 9. P. xxvi. 

 Shrew, Duration of Life of the Common and the Lesser. By L. E. Adams. 



M. 7. P. viii. 

 Slate, Exhibition of hsematitic slate. By J. IL Wolfenden. P. xxxiv. 

 Smelt in Rostherne Mere. By T. A. Coward. -M. 15. P. xli. 

 Sorption of flydrogen by Palladium. By A. Holt, E. C. Edgar and Firth. 



P. xxxiv. 

 Stress, The formal specification of the elements of. By R. F. Gwyther. 



M. 10. P. xxxvi. 

 Stromeyer, C. E. Exhiiution of a piece of tramway rail. P. xxxvi. 

 Submerged forest at Liana ber, Barmouth, A note on. By T. (".. B. 



Osborn. jVL 16. P. xli. 

 Sulphur, \V)latility of and action on water. By F. Jones. ^L 14. P. xli. 

 Synthesis of Hydrocarbons and their Stability at High Temperatures and 



Pressures. By J. N. Bring and D. AL Fairlie. M. 6. P. vii. 



Tarcntola maiiritanica, Exhibition of. By T. A. Coward. P. xxvii. 

 Taylor, R. L. The Action of Bleaching Agents on the Colouring Matter 

 of Linen. P. xxxix. 



and Bostock_ Clifford. The Action of Dilute Acids on Bleaching 



Powder. P. xxxiv. 



Thorp, T. New method for testing the curvature of parabolic mirrors. 



P. vi. 



Presentation of a crossed transparent grating. P. xxvi. 



Tramway rail. Remarks upon the wearing of. By C. E. Stromeyer. 



P. xxxvi. 



Variation oi Planorbis multiformis. By H. G. A. Hickling. P. xxxvi. 

 Volatility of Sulphur and its action on Water. By F. Jones. M. 14. P. xli. 



Weiss, F. E. Obituary notice of Sir J. D. Hooker. P. xlvi. 



Reference to the deaths of Sir J. D. Hooker. P. viii. ; Professor 



Osborne Reynolds. P. xxxiii. ; Professor J. Dixon Man. P. xxxix. 



Remarks on a Cowslip. P. xli. 



Researches on Heredity in Plants. Inaugural address. P. iii. 



Wilde, H. On Search-Lights for the Mercantile Marine. M. 13. P. xli. 

 Wolfenden, J. H. Exhibition of hsematitic slate. P. xxxiv. 



Woodall, H. J. Mersenne's Numbers. M. i. P. v. 



