54 PROCEEDINGS OF THE PITTSBURGH MEETING 



TITLES OF PAPERS AND NAMES OF DISPUTANTS 



The Society then passed to the reading of papers. 



A LIST OF VNDERQBOVND TEMPERATURES IN THE UNITED STATE B 



BY N. H. DABTON 



Presented in abstract without manuscript. 



MID-CONTINENTAL EOLATION 

 BY CHARLES B. KEYES 



Eead by title in the absence of the author. 



THE NOMENCLATURE OF FAULTS 

 BY HARBY FIELDING BEID 



Bead by title in the absence of the author. 



THE PROPAGATION OF EARTHQUAKE WAVES 

 BY HARBY FIELDING BEID 



Bead by title in the absence of the author. 



AN UNUSUAL DISTORTION OF THE LOWER KITTANNINO COAL 

 BY BICHABD B. HICE 



Presented without manuscript and with lantern slide illustrations. 



FURTHER EVIDENCE OF AN UNCONFORMITY IN THE SO-CALLED LARAMIE 

 OF THE RATON COAL FIELD, NEW MEXICO 



BY WILLIS THOMAS LEE 



Eead in part from manuscript and in part presented with the aid of 

 diagrams and lantern slides. 



The Society adjourned at 12.40 o'clock for luncheon at the Hotel 

 Schenley. It reconvened at 2.35 o'clock p. m., with Vice-President 

 Schuchert in the chair. 



The scientific program was continued as follows: 



ON REPEATING PATTERNS IN THE RELIEF AND IN THE STRUCTURE OF THE 



LAND 



BY WILLIAM HERBERT HOBBS 



Presented without manuscript; illustrated with lantern slides. 



