DISCUSSION 1141 



L. W. Ward, Webb Institute of Naval Architecture, 

 Glen Cove, Long Island, New York 



DISCUSSION 1144 



A. Silverleaf, National Physical Laboratory, 

 Teddington, England 



DISCUSSION 1145 



S. W. W. Shor, Bureau of Ships, Washington, D.C. 



REPLY TO THE DISCUSSION 1148 



P. C. Pien, David Taylor Model Basin, Washington, D.C. 



AUTHOR INDEX 1154 



XI 



