PROCEEDINGS OF THE 



AMERICAN PHILOSOPIIICAL SOCIETY. 



UELD AT PlllLADELrHIA, FOR rROIIOTING USEFUL mUfMl 





VOL. IX. 



No. 71. 



CONTENTS. 



January 1, 18G4. 



PAGE 



290 

 291 

 294 



295 

 328 



830 



Election of Officers 



On the Height of the Tides. By P. E. Chase 



On the Danish Element in England. By H. Coppee 



January 19, 1864. 



On the Family as an Element of Government. By E. K. Price 

 Appointment of Committees 



Fchrvary 19, 1SG4. 



An Obituary Notice of Dr. W. Darlington. By T. P. James . 



March 4, 1864. 



Catalogue of Scientific Memoirs by the Royal Society . . . 344 

 On Barometric Fluctuations and Temperature. By P. E. Chase . 345 



March 18, 1864. 



On the County Maps of the United States by R. Peausam, Smith, . 350 

 Transfer of Cabinet Specimens .'!53 



April 1, 1864. 



On Heat and Muscular Energy. By P. E. Chase .... 355 



On the Manufacture of Paper Pulp from Wood. By R. Briggs . 360 



On the New Flax Fibre Machine. By Dr. Emersox . . . 360 



On the Hundredth Voyage of the Canada. By J. P, Lesley . . 360 



April 15, 1864. 



On Magnetic Currents. By P. E. Chase 367 



On Stone Implements. By F. Peale. (Sec page 401.) . . 371 

 Election of New Members 371 



May 6, 1864. 

 Letter of Professor Zantedeschi 372 



May 20, 1864. 



Catalogue of Books, deposited by J. L. Lecoxte .... 377 

 Synopsis of Paper on the Influence of Ether in the Solar System. 



By Ai.EX. WiEC'ocKs 384 



On the Abbeville Quarries. By J. P. Lesley .... 388 



June 17, 1864. 



On the Effects of Rotation upon the Barometer. By P. E. Chase . 395 

 On the Ancient Sea-Level. By J. P. Lesley .... 399 



