X INDEX. 



Hydrocarbons and their Stability at High Temperatures and Pressures, the 

 Synthesis of. By J. N. I'ring and D. M. FairHe. M. 6. P. vii. 



Insect Pests in Canada, the Control of. By C. G. Hewitt. P. ix. 

 Intensive Study of the Scales of three Specimens of Salnio salar. By I^. C. 



Esdaile. M. 3. P. vi. 

 Interpretation of the Vascular Anatomy of the Ophioglossaceif. By W. H. 



Lang. M. 12. P. x.xxviii. 



Johnstone, M. A. On Calamites ( Caiainitina) varians, Sternb. var. 



insignis, Weiss. M. 17. P. xli. 

 Jones, F. The Volatility of Sulphur and its action on Water. M. 14. 



P. xli. 



Kirkman, W. W., Obituary notice of. By F. N. P. xlviii. 



Ladenburg, A., Obituary notice of. By H. B. D. P. liii. 

 Lamb, H. Obituary notice of Osborne Reynolds. P. xlix. 

 Lang, W. H. Branching in the Ophioglossaceit'. P. xxxii. 



On the Interpretation of the Vascular Anatomy of the Ophioglossaceae. 



M. 12. P. xxxviii. 



Library Accessions. P. i., vii., xxv., xxxi., xxxiii., xxxv., xxxix., xl. 

 Linen, the Action of Bleaching Agents on the Colouring Matter of. By 

 R. L. Taylor. P. xxxix. 



Magnesium powder and s(jlid silver nitrate. Experiment with. By C". L. 



Barnes. P. vii. 

 Manchester Grammar School Boys, Observations upon the Improvement 



of the Piiysique of. By A. A. Mumford. M. 5. P. vi. 

 Mangan, J. The presence of Maxilluhx- in Larva: of Dytiscidn.-. M. 11. 



P. xxxviii. 

 Meadowcroft, L. \'. A Geometrical Treatment i;f Cieodesic Torsion. 



M. 4. P. vi. 

 Members, Election of Ordinary. P. i., iii., v., xxv., xxvi. , xl. 

 Mersenne's Numbers. By H. J. Wo(jdall. M. i. P. v. 

 Modes of rupture of an open hemispherical concrete sliell under axial 



pressure. By J. R. Gwyther. M. 9. P. xxvi. 

 Moulds which attack exported cotton goods. By T. G. B. Osborn. 



P. xxxi. 

 Mumford, A. A. Observations upon the Improvement of the Physique of 



Manchester Grammar School Boys during the last 30 years. M. 5. 



P. vi. 



Nicholson, F. Obituary notice of W. W. Kirkman. P. xlviii. 



Presentation of a Dalton Letter. P. iv., xxxvii. 



Note on the earliest Industrial use of Platinum. By W. Burton. P. xxvii. 



