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CONTENTS. 



VOL. LXV. 



Pat;e 



No. 413. 



Report of the Kew Observatory Committee for tlie Year ending 

 December 31, 1898 1 



Croonian Lecture. — On the Eelation of Motion in Animals and 

 Plants to the Electrical Phenomena which are assoc iated with it. Bv 

 J. Burdon-Sanderson, M.A., M.D., F.R.S 37 



No, 414. 



Meeting of April 20, 1899, and List of Papers read 64 



A Sugar Bacterium. Bv H. Marshall Ward, F.R.S., and J. Reynolds 

 Green, F.R.S 65 



Experiments in Micro-metallurgy : — Effects of Strain. Preliminary 

 Notice. By J. A. Ewing, F.R.S., and Walter Rosenhain, 1851 Ex- 

 hibition Research Scholar, Melbourne University. (Plates 1 — 5) ... 85 



The Physiological Action of Choline and Neurine. By F. W. Mott, 

 M.D., F.R.S., and W. D. Halliburton, M.D., F.R.S 91 



On Intestinal Absorption, especially on the Absorption of Serum, Pep- 

 tone and Glucose. By E. Waymouth Reid, F.R.S 94 



Studies in the Morphology of Spore-producing Members. IV. The 

 Leptosporangiate Ferns. By F. O. Bower, Sc. D., F.R.S 26 



Note on the Fertility of different Breeds of Sheep, with Remarks on 

 the Prevalence of Abortion and Barrenness therein. By Walter 

 Heape, M.A., Trinity College, Cambridge. Communicated by W. 

 F. R. Weldon, F.R.S 99 



Some further Remarks on Red-water or Texas Fever. By Alexander 

 Edington, M.B., F.R.S.E., Director of the Bacteriological Institute, 

 Cape Colony. Communicated by Dr. D. Gill, C.B., F.R.S Ill 



No. 415. 



Meeting of April 27, 1899, and List of Papers read 114 



On the Luminosity of the Rare Earths when heated in Vacuo by means 

 of Cathode Rays. By A. A. Campbell Swinton. Communicated by 

 Lord Kelvin, F.R.S '„ ., 115 



