vi 



No. 17S.— June 15, 1876 (contmited). 



Page 



Preliminary Report of tlie Biological Results of a Cruise in H.M.S. 

 ' Valorous ' to Davis Strait in 1875. By .T. Gwjn Jeffi'eys, LL.D., 

 F.R.S. (Plates 2, 3, 4.) ; 177 



Report on the Physical Investigations carried on by P. Herbert Carpenter, 

 B.A., in H.M.S. 'Valorous' during her Return Voyage from Disco 

 Island in August 1875. By William B. Carpenter, C"B., M.D., F.R.S. 

 (Plates 2, 3, 4.) 230 



No. 174. 



On some Thallophytes parasitic within recent Madreporaria. By P. Martin 

 Duncan, M.B. Lond., President of the Geological Society, F.R.S. , &c. 

 (Plates 5, 6, 7.) Read May 11 238 



June 15, 1876 (continued). 



On Volta's Experiment of the Electricity produced by the contact and 

 separation of different Metals. By Warren De La Rue, M.A., D.C.L., 

 F.R.S., and Hugo W. Miiller, Ph.D., F.R.S 258 



Note on the Mycelium described in my Paper on Smallpox of Sheep. By 

 Dr. E. Klein, F.R.S 259 



On the Forms assumed by Drops of Liquids falling vertically on a hori- 

 zontal Plate. By A. M. Worthington " 261 



On the Behaviour of the Fixed Elements of the Connective-tissue of the 

 Tongue in Inflammation. By George Dovrdeswell, M.A. Cantab 272 



List of Presents 272 



On the Effect of Heat on the Chloride, Bromide, and Iodide of Silver. By 

 G. F. Rodwell, F.R.A.S., F.C.S., Science Master in Marlborough 

 College 280 



On the Effects of Heat on some Chloro-brom-iodides of Silver. By G. F. 

 Rodwell, F.R.A.S., F.C.S., Science Master in Marlborough College .... 292 



No. 17h.— November 16, 1876. 



Experimental Contributions to the Theory of the Radiometer. — ^Preliminary 

 Notice. By William Crookes, F.R.S. &c 304 



Magnetic Observations made at Stony hm'st College Observatory from April 

 1870 to March 1876. By the Rev. S. J. Perry, S. J., F.R.S 314 



On Electrical Conductivity and Electrolysis in Chemical Compounds. By 

 Dr. L. Bleeki-ode 322 



I 



