TABLE OF CONTENTS. 



NUMBER XXXVII.— JANUARY. 



Page 

 Rev. Wm.V. Vernon's further Examination of the Deposit of 



Fossil Bones at North Cliff in the County of York 1 



Mr. C. Cuff on the Presence of Iodine, Potash, and Magnesia, 



in the Bath Waters 9 



Dr. Henderson on the General Existence of Iodine in Spring 



Water 10 



Proposal of another Number as a Test of the Chronometers 



on Trial at Greenwich 12 



Mr. B. Noton's Register of the Pluviometer at Bombay, in the 



Year 1828 14^ 



Mr. Roscoe on Artificial and Natural Arrangements of Plants; 

 and particularly on the System of Linnaeus and Jussieu {con- 

 tinued) 15 



Mr. H. Witham on the Vegetation of the First Period of an An- 

 cient World, that is, from the First Deposit of the Transition 

 Series to the Top of tlie Coal field; the Magnesian Lime- 

 stone forming its upper Limits : with Remarks on the Pro- 

 bability of its Vegetable Origin, cH;c 23 



Compendious Tables for converting Time into Space, and Space 



into Time 31 



Proceedings of the Royal Society 33 



. Linnaean Society '. . . . 46 



Geological Society ^S 



Royal Academy of Sciences of Paris 55 



Distinctive Characters of Tannin and Gallic Acid— Precipitate 

 of Silver resembling the Purple Powder of Cassius— On some 



Properties of Silver, by M. Weslar 58 



Preparation of Hydriodic j^ther— Russian (lold and Platina. . 59 

 New Process for preparing Formic Acid— Chromate of Zinc as 



a Pigment :•.•••■ 



Green Lake prepared from Red Cabbage — Decomposition of 

 Sulpiiuret of Carbon by Electricity— Detection of Adultera- 

 tion ill Chromate of Potash— Remarks on one of the Experi- 

 ments from which .Mr. Ritchie has inferred the Inadequacy 



of the Chemical Theory of Galvanism 61 



A 2 Dr. 



