vi CONTENTS. 



PART II. (1887-89.) 



M'MBBR PAGE 



VIII. Histological Observations on the Muscular Fibre and Connective 

 Tissue of the Uterus during Pregnancy and the Puerperium. 

 By T. Arthur Helme, M.B. (With a Plate), . . 359 



IX. On some Relations between Magnetism and Twist in Iron and 

 Nickel. Part I. By Cargill G. Knott, D.Sc. (Edin.), 

 F.R.S.E., Professor of Physics, Imperial University, Tokyo, 

 Japan, ....... 377 



X. On the Fossil Plants in the Ravenhead Collection in the Free 

 Library and Museum, Liverpool. By Robert Kidston, 

 F.R.S.E., F.G.S. (Plates I. and II.), . . .391 



XL On some Fossil Plants from Teilia Quarry, Gwaenysgor, near 

 Prestatyn, Flintshire. By Robert Kidston, F.R.S.E., F.G.S. 

 (With Two Plates), . . . . . .419 



XII. On the Behaviour of the Hydrates and Carbonates of the Alkali- 

 Metals, and of Barium, at High Temperatures, and on the 

 Properties of Lithia and the Atomic Weight of Lithium. By 

 Professor W. Dittmar, ..... 429 



XIII. On the Determination of the Curve, on one of the Coordinate 



Planes, which forms the Outer Limit of the Positions of the 

 Point of Contact of an Ellipsoid of Revolution which always 

 touches the three Planes of Reference. By G. Plarr, Docteur 

 es-sciences, . . . . . . .471 



XIV. On Ostracoda collected by H. B. Brady, Esq., LL.D., F.R.S., in 



the South Sea Islands. By George Stewardson Brady, 

 M.D., LL.D., F.R.S. (Plates I.-IV.), . . .489 



XV. On Benzyl Phosphines and their Derivatives. By Professor 

 Letts and R. F. Blake, Esq., Queen's College, Belfast. 

 (With a Plate), ...... 527 



XVI. On the Anatomy, Histology, and Affinities of Phreoryctes. By 

 Frank E. Beddard, M.A., Prosector to the Zoological Society 

 of London, and Lecturer on Biology at the Medical School 

 of Guy's Hospital. (With a Plate), . . . .629 



