1906.] NATURAL SCIENCES OF PHILADELPHIA. 



February 6. 

 Mr. Arthur Erwin Brown, Vice-President, in the Chair. 

 Fourteen persons present. 



The Piibhcation Committee reported that papers under the follow- 

 ing titles had been presented for publication: 



"Mollusca of the Southwestern States, III," by Henry A. Pilsbry 

 (January 24). 



"A New Lithobius from Canada," by Ralph V. Chamberlain (Janu- 

 ary 26). 



''Some Cold-blooded Vertebrates of the Florida Keys," by Henry 

 W. Fowler (January 29), 



"Studies in South and Central American Acrididae (Orthoptera), 

 with the descriptions of a new genus and six new species," by James 

 A. G. Rehn (February 2). 



"Further Knowledge of some Heterognathus Fishes," by Henry 

 W. Fowler (February 6). 



Mr. Witmer Stone made a communication on certain orni- 

 thologists of the past, giving incidents in the lives and commenting 

 on the works of Catesby, William Bartram, Barton, Wilson, Charles 

 Lucien Bonaparte, Audubon, John K. Townsend, William Gamble, 

 John Cassin and Samuel W. Woodhouse. (No abstract.) 



The Council reported that the President, Samuel G. Dixon, M.D., 

 had been appointed to represent the Academy at the approaching 

 celebration of the 200th anniversary of the birth of Benjamin Franklin 

 by the American Philosophical Society. 



February 20. 

 Mr. Arthur Erwin Brown, Vice-President, in the Chair. 

 One hundred and six persons present. 



