CONTENTS. ill 



PAGtt 



XV. The Earl of Rosse's Telescopes, and their Reve- 

 lations in the Sidereal Heavens. By the Rev. 

 Dr Scoresby, F.R.S.L. & E., Member of the 

 Wernerian Society, and Corresponding Mem- 

 ber of the Institute of France, &c. Communi- 

 cated by the Author, . . . .113 



XVI. Of the Proper Application of Reservoirs to the 

 Improvement of Rivers. By Charles Ellet, 

 Jun., Civil Engineer, United States of Ame- 

 rica, . . . . . . .118 



XVII. Notices of various Animal Remains, as Bos lon- 

 gifrons, fyc, found with Roman Pottery, near 

 Newstead, Roxburghshire : with Notes in re- 

 ference to the Origin of our Domestic Cattle, 

 and the Wild White Cattle of this Country. 

 By John Alexander Smith, M.D. Commu- 

 nicated by the Author. (With a Plate), . 122 



XVIII. General Results of the Microscopical Examina- 

 tion of Soundings, made by the U. S. Coast 

 Survey off the Atlantic Coast of the United 

 States. By Professor J. W. Bailey, of the 

 Military Academy, West Point, . .142 



XIX. The Reply of the President and Council of the 

 Royal Society, to a Letter addressed to them 

 by the Secretary of State for Foreign Affairs, 

 on the subject of the co-operation of different 

 Nations in Meteorological Observations, . 144 



XX. On the Diurnal Variations of the Magnetic Needle, 

 and on Aurorse Boreales. By Auguste de la 

 Rive ; being an extract from a Letter to M. 

 Arago, 148 



XXI. Meteorological Phenomena in connection with the 

 Climate of Berlin. Translated by Mrs Anne 

 Ramsden Bennett from the German of Pro- 

 fessor Dove, . . . . . .155 



