CONTENTS, 
I. The Bakerian Lecture. — Experimental Researches in Electricity . — Twenty-second 
Series. By Michael Faraday, Esq., D.C.L., F.R.S., Fullerian Prof. Chem. 
Royal Institution, Foreign Associate of the Acad. Sciences, Paris, Ord. Boruss. 
Pour le Mdrite, Eq., Memh. Royal and Imp. Acadd. of Sciences, Petershurgh, 
Florence, Copenhagen, Berlin, Gottingen, Modena, Stockholm, Munich, Bruxelles, 
Henna, Bologna, &;c. 8^c . . page 1 
II. Experimental Researches in Electricity. — Twenty-second Series {continued). By 
Michael Faraday, Esq., D.C.L., F.R.S., Fullerian Prof. Chem. Royal Insti- 
tution, Foreign Associate of the Acad. Sciences, Paris, Ord. Boruss. Pour le 
Mdrite, Eq., Memh. Pwyal and Imp. Acadd. of Sciences, Petershurgh, Florence, 
Copenhagen, BerUn,G6ttingen, Modena, Stockholm, Munich, Bruxelles, Vienna, 
Bologna, 8fc. 8fc 19 
III. On the Ganglia and Nerves of the Heart. By Robert Lee, M.D., F.R.S., Fellow 
of the Royal College of Physicians, London 43 
IV. Postscript to a Paper ‘‘ On the Ganglia and Nerves of the Heart." By Robert 
Lee, M.D., F.R.S 47 
V. On the Effect of surrounding Media on Voltaic Ignition. By W. R. Grove, Esq., 
M.A., V.P.R.S 49 
VI. On the Spontaneous Electrical Currents observed in the Wires of the Electric 
Telegraph. By W. H. Barlow, Esq., M. Inst. C.E. Communicated hy Peter 
Barlow, Esq., F.R.S. 61 
VII. On the Meteorology of the Lake District of Cumberland and Westmorelaiid ; 
including the results of Experiments on the fall of Rain at various heights above 
the EartJis surface, up 3 166 feet above the mean sea level. 5?/ John Fletcher 
Miller, £’,55'. Communicated hy Lieut.-Col. SA.Bm'K, For. Sec. R.S. . . 73 
VIII. An Investigation on the Chemical Nature of Wax. By Benjamin Collins 
Brodie, Esq. Communicated hy Sir Benjamin C, Brodie, Bart., F.R.S. 8^c. 91 
IX. On the Structure and Development of the Liver. By C. Handfield Jones, M.D. 
Communicated by Sir Benjamin Collins Brodie, Bart., F.R.S. . . . 109 
X. Minute Structure of the Papillae and Nerves of the Tongue of the Frog and Toad. 
By Augustus Waller, M.D. Communicated by Richard Owen, Esq., F.R.S., 
Sfc 139 
XL On the Development and Homologies of the Carapace and Plastron of the Chelo- 
nian Reptiles. By Professor Owen, F.R.S. <^c 151 
