VI CONTENTS. 



XI. On some Relations between Puccmta malvacearum (Mont.) 

 and the Tissuei of its Host Plant [Althaea rosea). By 

 Wilfrid Robinson, B.Sc. (Lond.). With s Ph. and y 

 Text-figs pp. 1-24 



{Issued separately, Sefitembe>- Jlti, igij.) 



XII. On some new Multiple Relations of the Atomic Weights of 

 Elementary Subs'ances ; and on the Classification and 

 Transformations of Neon and Helium. By Henry WiLDE, 

 DSc , D.C.L., F.R.S. Willi 1 able pp. i— 11 



(Issued scpaj-atet}', July 31st, IQ13.) 



XIII. On the Intluence of Atmospheric Pressure, Temperature and 



Humidity on Animal Metabolism. By William Thom- 

 son, F. K.S.K., F.I.C., F.C.S. With 3 Pis. ami 3 Tables. 



[Issued separately, October 31st, IQ13.) pp. 1—8 



XIV. The Influence of Moisture in the Air on Metabolism in the 



Body. By William Thomson, F.R.S.E., F.I.C. F.C.S. 



(Issued sepatately. October 31st, igi3.) pp. 1 — 4 



XV. Experiments on Abel's Theory that Incombustible Dusts act 



Catalyticaily in igniting weak Mixtures of Methane and Air. 

 By Professor H. B. Dixon, M.A., F.R.S. , and II. M. 

 LowK, M.Sc ... pp. I — 10 



(Issued separately. Noveinher 21st, 1913.) 



XVI. The Root- Apex and Voung Root of Lyghiodeitdron. By 



Professor F. E. Weiss, D.Sc, F.L.S. ' With i PL ... pp. i— 10 



(Issued separately, November ZQtli, IQ13.) 



XVII. Bessemer, Goransson and Mushet : A Contribution to 



Technical History. By Ernest F. Lange, M.I.Mech.E., 

 A. M. Inst. C.E., F.C.S. With 6 Pis. and letter ... pp. I— 44 



(tssufd separately, December 30th, igi3.) 



XVIII. A Tylodendron-like Fossil. By Professor F. E. Weiss, 

 D.Sc, F.L.S With 2 Pis pp. I — 14 



(Issued separately, November ibth, 1913.) 



XIX. Contributions to ihe History of Science (Period of Priestley — 



Lavoisier— Dalion), based on Autograph Documents. By 

 KUKT Loewenfei.I), Ph.D. With 17 Pis. and 4 Te.xtfii^s. 



{Issued separately, November zqth, iqi3.) PP- I — 5° 



