REt'OUDS OF MKKTINGS. 783 



In Class 11., Section 4 (Mnlicine and Snr^cry) : — 



Adam Polit/.cM", of \'iiMnia. 



In Class III., Section 2 (Philolo<jy and Archaeology): — 



Ednard Seler, of Berlin. 



The following: connnnnications were tjiven: — 



"The Stndy of Infantile Paralysis in Massachnsetts by the State 

 Board of Health." By Dr. U. W. Lovett. 



"Entomological Studies in connection with Epidemics of Polio- 

 myelitis." By Mr. C. T. Brues. 



"Experimental Evidence of the Transmission of Infantile 

 Paralysis." By Dr. 'SI. J. Rosenan. 



The following papers were presented by title: — 



"Preliminary Study of the Salinity of Sea-water in the Ber- 

 mudas." By K. L. ^lark. Presented by E. L. Mark. 



"Cretaceous Pityoxyla from Clifl'wood, New Jersey." By 

 Ruth Ilolden. Presented by E. C. Jefi'rey. 



One thousand and twentieth Meeting. 



Eebruary 12, 1913. 



The meeting was held at the House of the Academy. 



The President in the chair. 



There were ninety-eight gentlemen present: — sixty-eight Fel- 

 lows and thirty guests. 



The following death was announced by the chair: — 



Francis Blake, Fellow in Class I., Section 2, and Treasurer of 

 the Academy from 1899 to 1905. 



Professor C. R. Cross, Chairman of the Rumford Committee, 

 stated the grounds on which the Rumford INIedal was to be awarded 

 to Mr. Frederic Eugene Ives. 



The President then presented the medals to Mr. Ives. 



Mr. Ives on receiving the medals, spoke of the encouragement he 

 felt in the recognition of the value of his work by the Academy and 

 gave an account of his long work in Color Photography, of his 

 struggles and of his successes. 



The following papers were i)resented by title: — 



"The Maximum \'alue of the Magnetization Vector in Iron." 

 Bv B. O. Peirce. 



