11 CONTENTS. 



PAGE 



V. Notes on the Topography and Geology of the 

 Cuchullin Hills in Skye, and on the traces of 

 Ancient Glaciers which they present. By Pro- 

 fessor J. D. Forbes. With two Plates. Com- 

 municated by the Author, .... 76 



VI. On the Temperature of the Springs, Wells, and 

 Rivers of India and Egypt, and of the Sea and 

 Table-lands within the Tropics. By Captain 

 Newbold, Madras Army, F.R.S., ... 99 



Table I. Temperature of Springs and Wells, . . HO 



II. Temperature of Rivers, . . . . Ill 



III. Temperature of Thermal Springs, . . 112 



IV". Comparative Register of the Temperature of the Air 



(in the shade) and of the Sea, from Bombay to Suez, 113 

 V. Memoranda, supplied by the kindness of a Friend, 

 from the Register kept on board the H.E.I.C.'s 

 Steamer Cleopatra, from Bombay to Suez, . 113 



VII. On certain Pseud o-Morphous Crystals of Quartz. 



By Robert Were Fox, . . . .115 



VIII. On Fossil Fishes, particularly those of the London 



Clay. By Professor Agassiz. With a Plate, 121 



IX. On the Existence of Glaciers and Icebergs in Scot- 

 land at an ancient epoch. With a Map. By 

 Charles Maclaren, Esq., F.R.S.E., &c. Com- 

 municated by the Author, . . . .125 



X. Experiments on Electro- Culture. By Andrew Fyfe, 

 M.D., F.R.S.E., F.R.S.S.A., Professor of Medi- 

 cine and of Chemistry, University and King's 

 College, Aberdeen. With a Plate. Communi- 

 cated by the Royal Scottish Society of Arts, 143 



XI. Tenth Letter on Glaciers. Addressed to Professor 

 Jameson. M. Agassiz's Adoption of the Plastic 

 Theory — Reply to M. Martins. By Professor 

 J. D. Forbes. Communicated by the Author, 154 



XII. On the Human Mouth. By Alexander Nasmyth, 

 Esq. Communicated for the Edinburgh New 

 Philosophical Journal by the Ethnological So- 

 ciety, 161 



