CONTENTS OF VOL. XXII. 
Pon Oentain Metalie Acids) 5a fudea daits celta, an cea le 
Dr. Martin Barry on Spermatozoa observed a second time 
within the Ovum 
Ce CC er cd 
NUMBER CXLVII.—JUNE. 
Dr. J. Stenhouse on some Astringent Substances as Sources of 
RVMOP ALG AGI yas Sewer int fe, PAS 3 ene, F4i Petes ise Sha AE oi 
Mr. A. R. Arrott on some new Cases of Voltaic Action, and on 
the Construction of a Battery without the use of Oxidizable 
SLCSHEAE! TRA LS, Sheree ats Mase Pe ere eg OUR eke 
Sir D. Brewster on the Combination of prolonged direct lumi- 
nous Impressions on the Retina with their complementary 
Impressions ... 
Sir G. C. Haughton’s s Remarks on Mr. Joule’s Explanation ‘of 
Parpenments on. the Galvanometer yt 5. es ee ok 
Dr. Martin Barry on the Cells in the Ovum compared with cor- 
puscles of the Blood.-—On the difference in Size of the Blood- 
eonpuccles in diferent Animalste- .. duels eee ek 
Dr. R. Mallet on an application of the Electrotype Process, in 
Ponder: Orranic Analysis: i203) 2451 os. tee diate ees eines 
Mr. Davies’s Supplementary Notes on Brett’s determination 
Bienes H OGL Of A WOnie: WOCWON: 6 2% \ eo.) 5) ees rin a sae, 
Mr. Henwood on the Appearances and Relative Positions of 
the Rocks and Veins which form the Opposite Walls of 
(Gross- Veins (continued) <= t20 tLe ey BO 
Dr. R. Hare’s Observations on the Electrolysis of Salts with 
a Reply thereto by J. Frederic Daniell . seeihace) bistais 
Mr. W.H. Balmain on A*thogen and ZEthonides ........... 
Mr. Chatterley’s Report of some Experiments with Saline Ma- 
nures containiag Nitrogen, conducted on the Manor Farm, 
Havering-atte-Bower, Essex, in the occupation of Collinson 
RPE EELS: ath ravete nike placate (will Phat Nino 1 asnib.cota als esse 
Dr. Faraday on the Chemical and Contact Theories of the 
Voltaic Battery .. . or area 
Proceedings of the Royal Society... ERR ga hay ha ean Ae Baie. 
—_——— London Electrical Society ............ 
Royal Irish Academy.... .... 
On the Theory of Glaciers, with reference to a former commu- 
nication, by J. Sutherland, M.D... 0... 5.0... 020. eee ee 
On the Combustion of Iron Pyrites for the Manufacture of Sul- 
RUERIIC SO CULY Haye Scere aici’ stv ute Splat’ eh oilsis. ohave!e«'s:o = «eee eae 
Oxide and Peroxide of Bismuth—Bismuthic Acid .......... 
On the Oxides of Lead, Plumbic Acid and the Plumbates .. 
On Ammonia-Amidide of Hydrogen, by Prof. Daniell ...... 
427 
434 
435 
437 
439 
440 
442 
443 
