CONTENTS. 
PART II. 
XIII. On Repulsion resulting from Radiation . — Parts III. & IV. -By William Crookes, 
F.R.S.&e . page 325 
XIV. On the Development and Succession of the Poison-fangs of Snakes. By Charles 
S. Tomes, M.A. Communicated by John Tomes, F.R.S. 377 
XV. On the Variations of the Daily Mean Horizontal Force of the Earth's Magnetism 
produced by the Sun' s Rotation and the Moon's Synodical and Tropical Revolutions. 
By J. A. Broun, F.R.S. 387 
XVI. On the Expansion of Sea-water by Heat. By T. E. Thorpe, Ph.D., and A. W. 
Rucker, M.A. (. Fellow of Brasenose College , Oxford ), Professors of Chemistry and 
Physics in the Yorkshire College of Science. Communicated by W. B. Carpenter, 
M.D. , LED., F.R.S. . 405 
XVII. The Bakerian Lecture. — On the Gaseous State of Matter. By Thomas Andrews, 
M.D., LL.D ., F.R.S., Vice-President of Queen's College, Belfast . . . 421 
XVIII. The Minute Anatomy of the Alimentary Canal. By Herbert Watney, M.A., 
M.D., Demonstrator of Microscopical Anatomy at St. George's Hospital. Commu- 
nicated by Dr. Klein, F.R.S. 451 
XIX. The Residual Charge of the Leyden Jar. By J. Hopkinson, M.A., D.Sc. Com- 
municated by Sir William Thomson, F.R.S., Professor of Natural Philosophy in t 
the University of Glasgow 489 
XX. On the Physiological Action of Vanadium. By John Priestley, Platt Physio- 
logical Scholar at Owens College, Manchester. Communicated by Professor 
Arthur Gamgee, F.R.S 495 
XXI. Contributions to the Minute Anatomy of the Thyroid Gland of the Dog. By 
E. Cresswell Baber, M.B. Bond. Communicated by Dr. Klein, F.R.S. . 557 
