PROCEEDINGS OF 



THE EOYAL SOCIETY. 



VOL. XXI. 



No. 143. 



CONTENTS. 



March 6, 1873. 



List of Candidates for Election into the Society 



PA&E 



. 202 



I. On the Vapour-density of Potassium. — Preliminary Notice. By James 



II. On New Sources of Ethyl- and Methyl- Aniline. By John Spillee, F.C.S. 204 



III. On a new Genus of Amphipod Crustaceans. By Etjdolph von Willemoes- 



Suhm, Ph.D., Naturalist to the 1 Challenger ' Exploring-Expedition. . . 206 



March 13, 1873. 



I. Note on Supersaturated Saline Solutions. By Charles Tomlinson, F.E.S. 208 



II. Visible Direction: being an Elementary Contribution to the Study of 

 Monocular and Binocular Vision. By James J ago, M.D. Oxon., A.B. 

 - Cantab., F.E.S 213 



I. On the Distribution of the Invertebrata in relation to the Theory of Evolu- 

 tion. By John D. Macdonald, M.D., F.E.S., Staff Surgeon E.N., 

 Assistant Professor of" Naval Hygiene, Netley Medical School .... 218 



II. On the Temperature at which Bacteria, ~PTbriones ) and their Supposed 

 Germs are killed when immersed in Fluids or exposed to Heat in a moist 

 state. By H. Chaelton Bastian, M.A., M.D., E.E.S., Professor of 

 Pathological Anatomy in University College, London 224 



III. Some new Theorems on the Motion of a Body about a Fixed Point. By 



Edwaed John Eottth, M.A., F.E.S 233 



Dewae and William Dittmae 



203 



March 20, 1873. 



[For continuation of Contents see Uh page of Wrapper.'] 



