IV 



I'l 



( >n the Influence of Coal-Dust in Colliery Explosions. No. V. By W. 

 ( iullnway 42 



Observations on the Ingesta and Egesta of Mr. Edward Payson Weerton 

 .luring his Walk of 5,000 miles in 100 days. By A. Wynter Blyth, 

 Medical Officer of Health for St. Maryleebone 46 



May 29, 1884. 



The Conditions of Chemical Change in Gases : Hydrogen, Carbonic 

 Oxide, and Oxygen. By Harold B. Dixon, M.A. 56 



On the Comparative Morphology of the Leaf in the Vascular Crypto- 

 gams and Gymnosperms. By F. O. Bower, MJL, F.L.S 61 



On the Changes and Ultimate Fate of the Blastopore in the Newt 

 ( Triton cristatut). By Alice Johnson, Newnham College, Cambridge.... 65 



On the Nervous System of the Crinoidea. By William B. Carpenter, 

 C.B., M.D., LL.D., F.RS 67 



June 12, 1884. 

 Election of Fellows 77 



June 19, 1884. 



Letter from Home Office in answer to Address of Condolence to the 

 Queen 78 



THE BAKERIAN LECTURE. Experiments on the Discharge of Electricity 

 through Gases : Sketch of a Theory was delivered by Dr. Schuster, 

 F.R.S 78 



On the Structure and Development of the Skull in the Mammalia. 

 Part II. Edentata. By W. K. Parker, F.R.S 78 



On the Non-Euclidian Plane Geometry. By Professor Cayley, F.R.S. .... 82 



The Proteids of Serum. By W. D. Halliburton, M.B., B.Sc., Sharpey 

 Physiological Scholar 102 



The Influence of Stress and Strain on the Physical Properties of Matter. 

 Part I. Moduli of Elasticity continued. Relations between Moduli 

 of Elasticity, Thermal Capacity, and other Physical Constants. By 

 Herbert Tomliuson, B.A 107 



Note on Boiling in a Vessel contained in a Water Bath. By Charles 

 Tomlinsou, F.RS .. - 113 



Notes on the Microscopic Structure of some Rocks from the Andes of 

 Ecuador, collected by E. Whymper. No. III. Cotopaxi and Chiinbo- 

 razo. By Professor T. G. Bouncy, D.Sd, F.RS 114 



Notes on the Structure of some Rocks from the Andes of Ecuador, col- 

 lected by E. Whvmper. No. IV. Carihuairazo, Cayambe, and Corazon. 

 By Professor T.'G. Bonney, D.Sc., F.RS 131 



Note of a Theory of Orthoptic and Isoptic Loci. By Charles Taylor, 

 D.D., Master of St. John's College, Cambridge 138 



