CONTENTS OF VOL. X. 



(FOURTH SERIES.) 



NUMBER LXIII.— JULY 1855. 



Page 

 1 



Prof. Poggendorff on the Induction Apparatus and its Effects. 



Mr. R. P. Greg on a new Meteoric Iron from Chili, containing 



Native Lead, and on the Fall of a large mass of Meteoric Iron 



at Corrientes in South America 12 



Prof. Knoblauch on the Relation of the Transmission of Radiant 



Heat through Crystals to the direction of Transmission .... 16 

 The Rev. S. Haughton's Notes on Mineralogy. — No. II. On 

 the Chemical Composition of the Granites of the South-east 



of Ireland 23 



Dr. A. Fick on Liquid Diffusion 30 



Dr. Heddle's Analysis of Lunnite from Cornwall 39 



Mr. A. H. Church on the Spontaneous Decomposition of certain 



Sulphomethylates 40 



Proceedings of the Royal Society 44 



On the Anaesthetic principle of the Lycoperdon proteus and cer- 

 tain other Fungi, by Thornton Herapath, Esq 67 



On a strongly Fluorescent Fluid, by Rudolph Bottger 69 



On the Quantitative Determination of Water, by Dr. H. Vohl. . 69 



On the Determination of Lime, by Dr. H. Vohl 70 



Meteorological Observations for May 1855 71 



Meteorological Observations made by Mr. Thompson at the 

 Garden of the Horticultural Society at Chiswick, near 

 London; by Mr. Veall at Boston; and by the Rev. C. 

 Clouston at Sandwick Manse, Orkney 72 



NUMBER LXIV.— AUGUST. 



Dr. Schunck on the Formation of Indigo-blue. — Part 1 73 



Prof. Stokes on the alleged Fluorescence of a solution of Platino- 

 cyanide of Potassium 95 



Mr. C. Darwin on the ])ower of Icebergs to make rectilinear, 

 uniformly-directed Grooves across a submarine Undulatory 

 Surface ^Q 



Prof. Faraday on Electric Conduction 98 



