261 



News, American Chemist and Penn Monthly, the U. S. 

 Secretary of the Interior, the U. S. Surgeon General of the 

 Navy, the Georgia Historical Society, and the Chicago Pub- 

 lic Library. 



The death of a member, Mr. Elias Durand, at Philadel- 

 phia, on the 14th of August, aged 79, was announced by the 

 Secretary, and, on motion, Dr. Carson was appointed to pre- 

 pare an obituary notice of the deceased. 



The death of another member, Mr. William Morris Mere- 

 dith, at Philadelphia, August 21st, aged 74, was announced 

 by Mr. Fraley, and, on motion, Chief Justice Eead was ap- 

 pointed to prepare an obituary notice of the deceased. 



Dr. Genth offered for publication in the Proceedings, a 

 paper containing the results of his investigations into the 

 nature and extent of the changes exhibited by pseudomor- 

 phis after corundum, which he described, exhibiting typical 

 specimens from the Mineralogical Cabinet of the Univer- 

 sity of Pennsylvania. 



Dr. Horn presented a paper for the Proceedings entitled 

 " Contributions to a Knowledge of the Curculionidae of the 

 United States. 



Prof. Frazer adduced facts which he supposed to be con- 

 firmatory of Prof. Tyndall's explanation of the blueness of 

 the sky, and gave his own explanation why the moon's disc 

 looks white by day and yellowish after twilight. 



Prof. Houston thought that an objection to Tyndall's 

 hypothesis might be found in the greater intensity of the 

 lavender-colored rays. 



Mr. Blodgett described the hot season preceding the 

 hurricane of the 18th of August, and showed that the 

 country between the Alleghan}- mountain and the sea had 

 been slowly invaded from the south, by a mass of saturated 

 tropical air, which finally reached the eastward-moving air 

 of the west and north, and that the storm, which produced 

 such terrible disasters from New York to Labrador, was the 

 consequence. 



Mr. Rand testified to the very local character of the ab- 



