CONTENTS. 
I. The Bakerian Lecture. — Ex'perimental Researches in Electricity . — Twenty-fourth 
Series. By Michael Faraday, Esq., D.C.L., F.R.S., Fidlerian Pi'of. Chem. 
Royal Institution, Foreign Associate of the Acad. Sciences, Paris, Ord. Boruss. 
Pour le Mdrite, Eq., Menib. Royal and Imp. Acadd. of Sciences, Petersburgh, 
Florence, Copenhagen, Berlin, Gottingen, Modena, Stockholm, Munich, Brux- 
elles, Vienna, Bologna, 8^c. 8^c page 1 
II. Experimental Researches in Electricity . — Twenty fifth 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, Petersburgh, Florence, Copenhagen, 
Berlin, Gottingen, Modena, Stockholm, Munich, Bruxelles, Vienna, Bologna, 
&;c. ^c 7 
III. Experimental Researches in Electricity. — Twenty-sixth 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., 
Memb. Royal and Imp. Acadd. of Sciences, Petersburgh, Florence, Copenhagen, 
Berlin, Gottingen, Modena, Stockholm, Munich, Bruxelles, Vienna, Bologna, 
8^c. 8^c 29 
IV. Experimental Researches in Electricity. — Twenty -seventh 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., 
Memb. Royal and Imp. Acadd. of Sciences, Petersburgh, Florence, Copenhagen, 
Berlin, Gottingen, Modena, Stockholm, Munich, Bruxelles, Vienna, Bologna, 
Sfc. 8^ c 85 
V. On Periodical Latvs discoverable in the mean effects of the larger Magnetic 
Disturbances. By Lieut. -Colonel Edward Sabine, R.A., Treas. V.P.R.S. 123 
VI. On the Relation of the Air and Evaporation Temperatures to the Temperature of 
the Dew-Point, as determined by Mr. Glaisher’s Hygrometrical Tables, founded 
on the Factors deduced from the six-hourly observations made at the Royal Obser- 
vatory, Greenwich. Hi/ J ohn Fletcher Miller, F.R.S., F.R.A.S., Assoc. Inst. 
C.E. S^c. Communicated by Lieut.-Col. Sabine, For. Sec. R.S. . . . 141 
