CONTENTS. 481 



Page. 

 Ethnology — Continued. 



On a polychrome bead from Florida, by Prof. S. S. Haldeman 302 



Colored bead dug from a mound at the extreme north end of Black Ham- 

 mock, three miles west of Mosquito Inlet, eastern coast of Florida, 



by A. M. Harrison 305 



Shell-heaps at the mouth of Saint John's Eiver, Florida, by S. P. Mayberry. 305 



Ancient mound in Western Pennsylvania, by William M. Taylor 306 



Deposit of arrow-heads near Fishkill, N. Y., by Edwin M. Shepard 307 



Stone celts in the West Indies and Africa ; extract from a letter of George 



J. Gibbs 308 



The Indians of Peru, by F. L. Gait, M. D 308 



Santa Rosa Island, by Rev. Stephen Bowers 316 



Notes on the History and Climate of New Mexico, by Dr. Thomas Mc- 



Parlin 321 



On the change op the Mexican Axolotl to an Amblystoma. Dr. A. Weis- 



mann 349 



Short Memoirs on Meteorological Sub jects, translated by Cleveland Abbe. 376 

 On the diminution of aqueous vapor with increasing altitude in the atmos- 

 phere. Dr. Julius Hann 376 



On the influence of rain upon the barometer, and upon the formation of pre- 

 cipitation in general. Dr. J. Hann 385 



Atmospheric pressure and rain-fall. Dr. J. Hann 393 



The laws of the variation of temperature in ascending currents of air. Dr. 



J. Hann 397 



The law of the variation of temperature in ascending moist currents of air. 



Prof.L. Sohncke 418 



Rain-fall and barometric minima. Prof. Theodore Reye 421 



On the relation between the difference of pressure and the velocity of the 

 wind according to the theories of Ferrel and Colding. Dr. J. 



Hann 426 



Reply to the criticisms of Dr. J. Hann. Mr. William Ferrel ,,,, 445 



Some remarks concerning the nature of currents of air» A. Colding.... ..., 447 



On the whirlwind at St. Thomas on the 21st of August, 1871. A. Colding.., 462 

 On the relation between barometric variations and the general atmospheric 



currents. Mr. Feslin 465 



31 s 



