1852. 
Mar. 12. 
19. 
CONTENTS, is v 
PaGeE 
Dr. Witu1am B. Carrprnter— On the Influence of 
Suggestion in Modifying and directing Muscular 
Movement, independently of Volition . . 147 
Dr. J. J. Bressy—On the Physical Geography, 
Geology, and Commercial Resources of Lake Su- 
perior . A . 154 
. Proressor E. Od ree 2G the Principles of the 
Construction and Security of Locks. (No Abstract.) 163 
. M. P.-H. Boutieny (p’Evrevx) — Etudes sur les 
Corps a l’état sphéroidal : a LAD 
Sir Cuartes Lyert— On the Blackheath Pebble- 
bed, and on certain Phenomena in the Geology of 
the neighbourhood of London : - 164 
. Resignation or Proressor BRaANvE . 168 
. General Monthly Meeting . . - 170 
- Ruy. Proressor Bapen Powzitt — On the Analogies 
of Light and Heat - . 172 
. Taomas H. Huxiey, Esq. — Upon bas Indi- 
viduality E : é . 184 
Annual Meeting - : : . 190 
General Monthly Meeting 5 . 190 
Proressor E, Forses — On the supposed Ntsiny be- 
tween the Life of an Individual and the Duration 
of a Species 3 : . 193 
. Rev. Epwin Sipney — On ie Rise of the Sap in 
the Spring : « 197 
. B. C. Broprz, Esa.— On the Allotropic Poities of 
certain Elements - 201 
. Dr. Joun Percy—On the Medés of Extracting 
Gold from its ores . 205 
Joun Scorr Russeti, Esa.— On English. Ships and 
American Clippers ; ania } . 210 
General Monthly Meeting : . 214 
. Proressor Farapay—On the Physical Lines of 
Magnetic Force. : . . 21 
General Monthly Meeting - - . 222 
