Philosophical Transactions 



1904 -1905. 



■ 



SERIES A. CONTAINING PAPERS OF A MATHEMATICAL OR PHYSICAL 

 CHARACTER. 



Vol. 203 (1904). Pp.422. With 2 Plates. Price £ I Is. 6d. 

 Vol. 204 (1905). Pp.500. With 4 Plates. Price £1 9s. Od. 



SERIES B. CONTAINING PAPERS OF A BIOLOGICAL CHARACTER. 



Vol. 196 (1904). Pp. 390. With 23 Plates. Price £1 16s. Od. 

 Vol. 197 (1905). Pp. 408. With 22 Plates. Price £1 13s. 6d. 



SOLD BY HARRISON & SONS. 45, ST. MARTIN'S LANE, W.C. 



RECENT PAPERS IN THE ' PHILOSOPHICAL TRANSACTIONS.' 



Sold separately by Dulau & Co., 37, Soho Square, London, W. 



A. 395. ON THE REFRACTIVE INDEX OF GASEOUS FLUORINE. By C. CUTH- 

 BERTSON and E. B. R. PRIDEAUX, M.A., B.Sc Pp. 13. Price Is. 



A. 396. MODIFIED APPARATUS FOR THE MEASUREMENT OF COLOUR AND 

 ITS APPLICATION TO THE DETERMINATION OF THE COLOUR 

 SENSATIONS. By Sir WILLIAM DE W. ABNEY, K.C.B., F.R.S. Pp. 23. 

 Price 1 s. 



A. 397. THE PRESSURE OF EXPLOSIONS : EXPERIMENTS ON SOLID AND 

 GASEOUS EXPLOSIVES. Parts I and II. By J. E. PETAVEL. Pp. 42 ; 

 1 Plate. Price 2s. 6d. 



A. 398. FIFTH AND SIXTH CATALOGUES OF THE COMPARATIVE BRIGHTNESS 

 OF THE STARS : IN CONTINUATION OF THOSE PRINTED IN THE 

 'PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY' FOR 

 1 796-99. By Dr. HERSCHEL, LL.D., F.R.S., prepared for Press from the original MS. 

 Records by Col. J. HERSCHEL, R.E., F.R.S. Pp. 49. Price 2s. 



A. 399. ON THE ACCURATE MEASUREMENT OF IONIC VELOCITIES, WITH 



APPLICATIONS TO VARIOUS IONS. By R. B. DENISON, M.Sc, Ph.D., 

 and B. D. STEELE, D.Sc. Pp. 16. Price Is. 



B. 241. THE ASCENT OF WATER IN TREES. By ALFRED J. EWART, D.Sc, 



Ph.D., F.L.S., Lecturer on Botany in the Birmingham University, and in the 

 Birmingham Municipal Technical School. Pp. 45. Price 2s. 



B. 242. ON ENDOPHYTIC ADAPTATION SHOWN BY ERYSIPHE GRAMINIS D.C. 



UNDER CULTURAL CONDITIONS. By ERNEST S. SALMON, F.L.S. 

 Pp. 11 ; 1 Plate. Price Is. 



B. 243. CONTRIBUTIONS TO THE PHYSIOLOGY OF MAMMALIAN REPRO- 

 DUCTION. Part I.— THE CESTROUS CYCLE IN THE DOG. Part II.— 

 THE OVARY AS AN ORGAN OF INTERNAL SECRETION. By FRANCIS 

 H. A. MARSHALL, Carnegie Fellow in the University of Edinburgh ; and WILLIAM 

 A. JOLLY, Assistant to the Professor of Physiology in the University of Edinburgh. 

 Pp. 43 ; 2 Plates. Price 5s. 



B. 244. THE MORPHOLOGY OF THE UNGULATE PLACENTA, PARTICULARLY 

 THE DEVELOPMENT OF THAT ORGAN IN THE SHEEP, AND NOTES 

 UPON THE PLACENTA OF THE ELEPHANT AND HYRAX. By 

 RICHARD ASSHETON, M.A., Lecturer on Biology in the ] Medical School of Guy's 

 Hospital, University of London. Pp. 78 ; 5 Plates. Price 7s. 6d. 



B. 245. FURTHER EXPERIMENTS AND HISTOLOGICAL INVESTIGATIONS ON 

 INTUMESCENCES, WITH SOME OBSERVATIONS ON NUCLEAR 

 DIVISION IN PATHOLOGICAL TISSUES. By Miss E. DALE, Pp. 43 ; 

 4 Plates. Price 4s. 



