Vll 



Page 



On the Solubility of Solids in Gases. By J. B. Hannay, F.B.S.E., F.C.S., 

 and James Hogarth 324 



On the Action of Nuclei in producing the Sudden Solidification of Super- 

 saturated Solutions of Glauber's Salts. By Charles Tomlinson, F.E.S. 326 



On Definite Integrals involving Elliptic Functions. By J. W. L. Glaisher, 

 M.A., F.E.S., Fellow of Trinity College, Cambridge 331 



Values of the Theta and Zeta Functions for certain Values of the Argu- 

 ment. By J. W. L. Glaisher, M.A., F.E.S., Fellow of Trinity College, 

 Cambridge 351 



On Certain Definite Integrals. No. 5. By W. H . L. Eussell, F.E.S 361 



On the Normal Paraffins. Part III. By C. Schorlemmer, F.E.S., Pro- 

 fessor of Organic Chemistry in Owens College, Manchester 364 



The Geometric Mean, in Vital and Social Statistics. By Francis Galton, 

 F.E.S 365 



The Law of the Geometric Mean. By Donald McAlister, B.A., B.Sc, 

 Fellow of St. John's College, Cambridge 367 



Note. By F. Chambers 376 



November 27, 1879. 



On the Structure of Serous Glands in Eest and Activity. By J. N. 

 Langley, M.A., Fellow of Trinity College, Cambridge 377 



On the Changes in Pepsin-forming Glands during Secretion. By J. N. 

 Langley, M.A., Fellow of Trinity College, Cambridge, and H. Sewall, 

 B.Sc, Fellow of the Johns Hopkins University, Baltimore, U.S. A 383 



Eeport on the Phyto-Palseontological Investigations on the Fossil Flora 

 of Sheppey. By Dr. Constantin Baron Ettingshausen, Professor in the 

 University of Graz, Austria 388 



A Memoir on the Single and Double Theta Functions. By A. Cayley, 

 F.E.S., Sadlerian Professor of Pure Mathematics in the University of 

 Cambridge 397 



On the Spectra of Sodium and Potassium. By G. D. Liveing, M.A., 

 F.E.S., Professor of Chemistry, and J. Dewar, M.A., F.E.S., Jacksonian 

 Professor, University of Cambridge 398 



On the Eeversal of the Lines of Metallic Vapours. No. VII. By G. D. 

 Liveing, M.A., F.E.S., Professor of Chemistry, and J. Dewar, M.A., 

 F.E.S., Jacksonian Professor, University of Cambridge 402 



Anniversary Meeting. 



Eeport of Auditors 406 



List of Fellows deceased since last Anniversary 406 



elected 407 



