PROCEEDINGS OF 

 THE EOYAL SOCIETY. 



vol. xix. No. 129. 



— — : — rr~ — — 



CONTENTS. 



May 25, 1871. 



PAGE 



I. On the Temperature of the Interior of the Earth, as indicated by Observations 

 made during the Construction of the Great Tunnel through the Alps. 

 By D. T. Ansted, M.A., F.R.S., For. Sec. G-.S 481 



II. Some Remarks on the Mechanism of Respiration. By F. Le Gros Clark, 

 F.R.C.S., Professor of Anatomy and Surgery at the Boyal College of 

 Surgeons 48(5 



III. Researches on the Hydrocarbons of the Series O n H 2n _j_ 2 . — VII. By C. 



SCHORLEMMER 487 



IV. Note on the Spectrum of Uranus and the Spectrum of Comet I., 1871. By 



William Huggins, LL.D., D.C.L., V.P.R.S 48* 



V. On a New Instrument for recording Minute Variations of Atmospheric 



Pressure. By Wild man Whitehouse, F.M.S. &c. &c . 491 



June 8, 1871. 



Election of Fellows 494 



June 15, 1871. 



I. On the Fossil Mammals of Australia. — Part V. Genus Nototherium, Ow. 



By Prof. Pv. Owen, F.R.S. 494 



II. On Cyclides and Sphero-Quartics. By John Casey, LL.D., M.R.I.A. . . 495 



III. On a Law in Chemical Dynamics. By John Hall Gladstone, Ph.D., 



F.R.S., and Alfred Tribe, F.C.S .498 



IV. On the Organization of the Fossil Plants of the Coal-measures. — Part II. 



Lepidodendra and Sigillarice. By W. C. Williamson, F.R.S. , Pro- 

 fessor of Natural History in Owens College, Manchester 500 



V. Contributions to the History of the Opium Alkaloids. — Part II. On the 



Action of Hydrobromic Acid on Codeia and its derivatives. By C. R. A. 

 Wright, D.Sc, Lecturer on Chemistry in St. Mary's Hospital Medical 

 School 504 



For continuation of Contents see Mh page of Wrapper. 



