Vill 
CONTENTS. 
1854. Pace 
Feb. 24. Dr. H. Benczr Jonzs —On the Acidity, Sweetness, 
and Strength of different Wines ; . 381 
March 3. Rev. Proressor Bapen Powrett —On certain Phe- 
nomena of Rotatory Motion . - . 393 
- 6. General Monthly Meeting 2 3 - 400 
ee 1O. Cuartres Brooxs, Esa.— On the Construction of the 
Compound Achromatic Microscope —« . 402 
-- 17. Dr. SterHen H. Warp— On the Growth of Plants 
in Closely-glazed Cases . . - 407 
24, Dr. E. Lanxester — On the distinctions supposed 
to limit the Vegetable and Animal Kingdoms . 415 
31. Dr. Joun Hatt Guapstons — On Chemical Affinity 
among Substances in Solution . - 416 
Apri] 8. General Monthly Meeting 5 2 . 429 
-- 7. Ruv. J. Bartow — On Silica and some of its appli- 
cations to the Arts - : - 422 
Dr. Roxspurcu — On the Cartesian Barometer - 426 
.- 28. Prorzssor E. Forses—On the manifestation of 
Polarity in the distribution of Organized beings in 
Time . : : ; . 428 
May 1. Annual Meeting : . 433 
-- 5. Dr. H. M. Noap — On the Miauiictsive of Iron . 434 
8. General Monthly Meeting : : . 442 
.. 12. Tuomas H. Huxitry, Esa.— On the Common Plan 
of Animal Forms . : . 444 
19. Prorsssor J. Tynpatt— On some Phenomena con- 
nected with the Motion of Liquids : . 446 
.. 26 B.C. Bropis, Esa. — On Melting-points . 449 
June 2. Dr. E. Franxtanp—On the Dependence of the 
Chemical properties of Compounds upon the Elec- 
trical character of their Constituents. . 451 
-. 5. General Monthly Meeting : . 454 
an Report on the Donation of Joun Pepys, Esq. . 455 
.. 9. Prorsessor Farapay — On Magnetic Hypotheses . 457 
July 3. General Monthly Meeting : : - 460 
InpEx . 463 
