CONTENTS. 



INAUGURAL ADDRESS. 



Researches on Heredity in I'lants. By llie President, Trof. 

 F. E. Weiss, D.Sc, F.L.S. IViik i PL ... pp. 



{Issued separately , April 23nd, igiJ.) 



MEMOIRS. 

 I. Mersenne's Numbers. By H. J. Woodai.i., A.R.C.Sc. 



(Lond.) ... ... ... ... ... ... ... pp. I — 5 



{Issued separately, December 12th, igii.) 



II. On a Collection of Arachnida and Chilopoda, made by 

 Mr. S. A. Neave in Rhodesia, North of the Zambesi. 



By .S. Hirst. With 2 Text-figs pp. i — 11 



{Issued separately, Deceiuher 30th. iQii) 



III. Intensive Study of the Scales of three Specimens of 

 Sal/no .';alar. By Philippa C. Esdaile, M.Sc. IViih 

 r P!., J Diags., 4 Graphs, and Tables ... ... pp. i — 22 



{Issued separately, February ibth, igi2.) 



IV. A Geometrical Treatment ot Geodesic Torsion. By 

 Lancelot V. Meadowcroft, B.A., M.Sc. With 

 4 Textfigs pp. I— 13 



{Issued separately. March bill, 1QI2). 



V. Observations upon the Improvement of the Physique of 

 Manchester Grammar School Boys during the last 30 

 years. By Alfred A. Mumford, M.D pp. i — 19 



{Issued separately, February 2bth, igi2.) 



VI. The Synthesis of Hydrocarbons and their .Stabibty at High 

 Temperatures and Pressures. By J. N. Pring, D.Sc, 

 and D. M. Fairi.ie, M.Sc. With i Text-fig ... pp. i— 9 

 {Issued separately, Marcli 8th, 1Q12. ) 



\TI. The Duration of Life of the Common and the Lesser Shrew, 

 with some notes on their Habits. By Lionel E. 

 Adams, B.A. With i PL pp. i — lo 



(Issued separately, Fehxary 6th, igi2.) 



