PROCEEDINGS OF 

 THE ROYAL SOCIETY. 



VOL. LXXI. 



No. 475. 



CONTENTS. 



PAGE 



Solar Prominence and Spot Circulation, 1872 — 1901. By Sir Norman 

 Loceyer, K.C.B.-, F.R.S., and William J. S. Lockyer, Chief Assistant 

 Solar Physics Observatory, M.A. (Camb.), Ph.D. (Gott.), F.R.A.S. 



On the Cytology of Apogamy and Apospory. I. Preliminary Note on 



Apogamy. By J. B. Farmer, F.R.S., J. E. S. Moore, and L. Dig-by . 453 



A Study of a Unicellular Green Alga, occurring in Polluted Water, with 

 especial Reference to its Nitrogenous Metabolism. By Harriette 

 Chick. Communicated by Professor Rttbert Boyce, F.R.S. (Plate 8) . 458 



On Lagenostoma Lomaxi, the Seed of Lyginodendron. By F. W. Oliver, 



D.Sc, F.L.S., and D. H. Scott, M.A., Ph.D., F.R.S 477 



On the Physiological Action of the Poison of the Hydrophidse. By Leonard 

 Rogers, M.D., B.S. (Lond.), M.R.C.P., F.R.C.S., lately officiating Pro- 

 fessor of Pathology, Medical College, Calcutta. Communicated by 

 Major A. Alcock, F.R.S. 481 



Experiments in Hybridisation, with especial Reference to the Effect of Con- 

 ditions on Dominance. By L. Doncaster, B.A., King's College, Cam- 

 bridge. Communicated by Dr. S. F. Harmer, F.R.S. (Abstract) . 497 



Preliminary Note on the Discovery of a Pigmy Elephant in the Pleistocene of 

 Cyprus. By Dorothy M. A. Bate. Communicated by Henry Wood- 

 ward, LL.D., F.R.S., F.G.S., V.P.Z.S., late Keeper of Geology, British 

 Museum, Natural History . 498 



On the Discovery of a Species of Trypanosoma in the Cerebro-spinal Fluid of 

 Cases of Sleeping Sickness. By Aldo Castellani, M.D. Communi- 

 cated by the Malaria Committee of the Royal Society .... 501 



Minutes of Meetings of April 30 and May ^^^Q n,a J^^^S 



(Plates 6 and 7) 



446 



Price Tivo Shillings and Sixpence, 



May 26, 1903. 



