CONTENTS. Vll 



ARTICLE TAGE 



XXXI. — Notes on Fossil Lithothamnia (so-called NulliporEe). By 



Arthur William Waters, F.G.S 244 



XXXII.— On the Graphical Representation of the Movements of the 

 Chest-wall in Respiration. By Arthur Ransome, M.D., 



M.A 251 



XXXIII. — An Improved Method for preparing Marsh -gas. By C. 



Schorlemmer, F.R.S 265 



XXXIV. — The Chemical Constitution of Bleaching-Powder. By 



C. Schorlemmer, F.R.S 265 



XXXV. — Some Remarks on Dalton's First Table of Atomic 



Weights. By Professor H. E. Roscoe, Ph.D., F.R.S. 269 

 XXXVI. — Action of Light on Certain Vanadium Compounds. By 



James Gibbons, Esq 276 



XXXVII. — On Basic Calcium Chloride. By Harry Grimshaw, F.C.S. 278 

 [XXXVIII.— A Study of Peat .-—Part I. By R. Angus Smith, Ph.D., 



F.R.S., F.C.S., &c 281 



XXXIX. — On aColorimetric Method of Determining Iron in Waters. 



By Thomas Carnelly, B.Sc 346 



XL. — Analysis of one of the Trefriw Mineral Waters. By 



Thomas Carnelly, B.Sc 356 



XLI. — On the Colour of Nankin Cotton. By Edward Schunck, 



Ph.D., F.R.S 362 



