f)8 PROCEEDINGS OF THE CHICAGO MEETING 



It is .suggested that this is a surface tension phenomenon. The poi-es in the 

 rock through which the oil moves are very small, yet lai-ge enough so that they 

 are not completely sealed by the capillary action of salt water with its rela- 

 tively low surface tension. When this salt water is replaced by or diluted 

 with fresh water, the surface tension is increased and the pores in the rocks 

 are effectively sealed. Oil can no longer pass through them, but water can 

 pass as usual. The oil is still in the rock but it can not get out. 



Presented by title in the absence of the autlior. 



The sectional meeting adjourned about 5.30 o'clock. 



ANNUAL DINNER 



The annual dinner of the Society was held at 7 o'clock Wednesday 

 evening, at the Chicago Beach Hotel, in conjunction with the Paleonto- 

 logical Society, the Mineralogical Society of America, the Society of 

 Economic Geologists, and guests. About 175 persons were present and 

 the affair was most enjoyable. 



President White presided at the opening, and after introductory re- 

 marks proposed that a telegram expressing the sympathy of the Society 

 be sent to its former President, Prof. A. P. Coleman, who was in the 

 hospital recovering from a serious operation, and that a telegram of greet- 

 ings and best wishes be sent to another former President, Prof. J. J. 

 Stevenson, who is confined to his home by the infirmities of age. 



On motion, the Secretary was unanimously instructed to forward tlie 

 messages.^ 



^ The telegrams were as follows : 



Prof. A. P. Coleman, 



Toronto General Hospital, Toronto, Canada: 

 Geological Society of America, assembled at its annual dinner, sends you cordial greet- 

 ings and best wishes for a speedy recovery to health. Happy New Year ! 



Ed.muxd Otis Hovey, Secretanj. 

 Dr. .T. -J. Stevexsox, 



215 TT'es* lOlsi Street, New York Citii: 

 Geological Society of America, assembled at its annual dinner, sends warmest greetings 

 to you, its beloved former President, and best wishes for a Happy New Year. 



Edmund Otis Hovey, Secretary. 

 Professor Stevenson replied as follows : 



21.5 V^'^EST lOlsT Street, New York City, Januanj 1, 1921. 

 Dr. E. O. Hovey, 



Secretary, Geological Society of America. 

 My Dear Sir : Your telegram reached me too late on Thursday for immediate reply, 

 as it would not reach your hotel until after adjournment of the Society, so acknowledg- 

 ment has been deferred until now. 



A man would have to be more or less than human in order to be indifferent to a 

 message such as that sent by you. Being only a mere man, I am deepl.v moved by it ; 

 the more so because during more than twelve years I have been shut off from the meet- 

 ings and have become little more than onl.v a name to almost a majority of the Fellows. 

 Be assured that I am grateful for the remembrance. 



, Sincerely yours, .1. .1. Stevexsox. 



