. The next No. of this Journal will be published on the first of July. 
CONTENTS. 
Ant. XXXI. A brief Memoir of the late Walter cee of Nan- 
tucket; by Wititam MitcHeELL,~— - 313 
If. Qn the Application of Photography to ihe Self. alee, 
tion of Magnetical and Meteorological Instruments ; : by pias 
J. H. Lerroy, R.A., FRE +. - 319 
XXXL Influence of the known Laws of Motion on Fike sree 
“sion of Elastic Fluids; by Exr1 W. Buaxe, — - 334 
XXXIV. On the Rotation of the Plane of Polarization ofyHeat by 
Magnetism; by MM. F. pe na Provostave and P.Desains, 344 
: = Historical account of the Eruptions on Hawaii; by 
s D. Dana, ee . - : - B47 
XXXVI. On the Chemical Basiesions and Notation of Laurent 
_- and Gerhardt; by Cuartes GerwarpT, - 364 
XXXVII. The Natural Relations between Animals and the Ele. 
ments in which they live; by L. Acas 369 
XXXVIH. On a new Analogy in the osiade: oF Roiation of the 
Primary Planets, discovered by Daniel Kirkwood,  - 395. 
-XXXIX. On the so-called Biogen Liquid ; by (CuaRLes Sais” 399 
XL. Note on Heteronomic Isomorphism; by James D. Dana, — 407 
XLIL On some a peee'Y Prestignied ay M. Been ee 5 
fae Reene HN Pin tt and icansii Kwsosraven, 414.—Ar- 
genic in't the deposit froin Mier Waters, by M. J. L. Lassaiane: On the re-- 
duction of Chlorid of Silver, y M. Wirrtsreix, 418.—On the Chemical Com- 
- position of the Fluid in the see of Nepenthes, by Dr. A. Voricxer: Chlo- 
rine and Oxygen from Chlorate of Potash, by Dr. Voaet: Action of Potash 
upon Caffeine, by A. Wurtz: Separation of vipig An beasbimpn = ‘Acetic 
by 4. ‘Liesre, 419: On the Productio of hed and bases Veget table 
; aes ‘ation of 
: ba bodiea; by | M. oe tT: On the presence 
Cepbe 3 in Sea- heen and in Plan nts. ae Animals, oF MM 
