PHILOSOPHICAL SOCIETY OP WASHINGTON. 101 



The direction in vvhicii a storm moves being tlm^ dependent 

 to a great degree on tiie j)recipitatioii of moisture, it becomes 

 important to know the location of tlie sources of atmosplieric 

 vapor, especially the presence of regions of snow, forests, swamps, 

 etc. ; and explanations were given of certain abnormal storm 

 paths quoted by i'rofessor Loomis. 



Especial objection was urged against the idea that high west- 

 erly currents carried the storms of America eastward. 



Mr. r. M. Endlich read a paper 

 ON the occurrence of pure tellurium in certain gold mines op 



COLORADO. 



Mr. Asaph Hall offered some remarks 



ON the method adopted in writing the international scien- 

 tific telegrams. 



Mr. Hall recommended the use of Littrow's system. 



€9th Meeting. May 9, 1874. 



The President in the Chair. 

 Mr. Benjamin Alvord read a paper 



ON the recent earthquakes in north Carolina. 



According to Professor Warren Du Pre, of Wofford College, 

 Spartanburg, S. C, the earthquake phenomena in North Carolina 

 commenced on February 10, 1874, and continued until the date 

 of his visit to the scene of the disturbances. They appeared 

 within a region of the Blue Ridge about twelve miles north from 

 Rutherfordton, N. C, and fourteen miles S. E. from Mount 

 Mitchell, the highest peak in the United States east of the Rocky 

 Mountains. They occurred in a space of about twenty-five miles 

 square. The mountain ridge in which they appeared has several 

 peaks, the highest, called Bald, Stone, and Round Mountains, ex- 

 tending from southwest to northeast a distance of ten miles, in 

 the order in which they are named. They are from 3000 to ,8.500 

 feet high. They are covered with a dense forest, and composed 



