VI 



Some remarks on the Physiological Action of the Tanyhinia veneni- 

 fera. By Profs. A. Kolliker of Wiirzbuig, and E. Pelikan of St. 

 Petersburgh page 173 



On Tangential Coordinates. By the Rev. James Booth, LL.D., F.R.S. 175 



Extract of a Letter to Admiral FitzRoy, F.R.S., from Captain Pullen 

 of H.M.S. < Cyclops/ dated Aden, March 16, 1858 189 



On the Stereomonoscope, a new Instrument by which an apparently 

 Single Picture produces the Stereoscopic Illusion. By A. Claudet, 

 Esq., F.R.S 194 



On the Differential, Stethpphone, and some new Phenomena observed 

 by it. By S. Scott Alison, M.D., Assistant Physician to the Hos- 

 pital for Consumption 196 



On the Stratification of Vesicular Ice by Pressure. By Prof. William 

 Thomson, F.R.S. In a Letter to Prof. Stokes, Sec. R.S 209 



An Account of the Weather in various localities during the 15th of 

 March, 1858 (the day of the Great Solar Eclipse) ; together with 

 Observations of the Effect produced by the Diminution of Light 

 upon the Animal and Vegetable Kingdoms. By Edward Joseph 

 Lowe, Esq., F.R.A.S., F.G.S., F.L.S., F.Z.S. &c 213 



On the Structure and Functions of the Hairs of the Crustacea. By 

 Campbell De Morgan, Esq 215 



Note on the Measurement of Gases in Analysis. By A. W. William- 

 son, Ph.D., F.R.S., Professor of Chemistry in university College, 

 and W. J. Russell, Ph.D 218 



On the Theory of Internal Resistance and Internal Friction in Fluids ; 

 and on the Theories of Sound and of Auscultation. By Robert 

 Moon, Esq., M.A., late Fellow of Queen's College, Cambridge 223 



On the Influence of Heated Terrestrial Surfaces in disturbing the 

 Atmosphere. By Thomas Hopkins, Esq 227 



Notes of Researches on the Poly- Ammonias. By A. W. Hofinann, 

 LL.D., F.R.S. -No. H. Action of Chloroform upon Aniline 229 



Note sur un Organe, place" dans le Cordon Spermatique, et dont Pex- 

 istence n'a pas ete signaled par les Anatomistes. Par F. Giraldes, 

 Professeur Agrege de la Faculte* de Medecine, &c 231 



On Chondrosteus, an Extinct Genus of Fish allied to the Sturionid8B. 

 By Sir Philip de Malpas Grey Egerton, Bart., F.R.S 233 



On the Resistance of Tubes to collapse. By William Fairbairn, Esq., 

 C.E., F.R.S., &c . 234 



On some Remarkable Relations which obtain among the Roots of 

 the Four Squares into which a Number may be divided, as com- 

 pared with the corresponding Roots of certain other Numbers. 

 By the Rt. Hon. Sir Frederick Pollock, F.R.S., Lord Chief Baron 238 



Observations on the Mer de Glace. Part I. Bv John Tyndall, 

 Ph.D., F.R.S. & c . . 245 



