Page 



REPLY TO DISCUSSION 416 



Vjacheslav N. Treshchevsky, Kryloff Research 

 Institute, Leningrad, U.S.S.R. 



DISCUSSION 417 



Reuven Leopold, U.S. Navy Naval Ship Engineer- 

 ing Center, Hyattsville, Maryland 



REPLY TO DISCUSSION 417 



Vjacheslav N. Treshchevsky, Kryloff Research 

 Institute, Leningrad, U.S.S.R. 



HYDRODYNAMIC DEVELOPMENT OF A HIGH SPEED PLANING 



HULL FOR ROUGH WATER 419 



Daniel Savitsky, Stevens Institute of Technology, 

 Hoboken, New Jersey, John K. Roper, Atlantic Hydro- 

 foils, Inc. Hancock, N. H. and Lawrence Benen, Naval 

 Ship Systems Command, U.S. Navy 



DISCUSSION 459 



Manley Saint-Denis,. University of Hawai, 

 Honolulu 



DISCUSSION 460 



Reuven Leopold, U.S. Navy Naval Ship Engineer- 

 ing Center, Hyattsville, Maryland 



REPLY TO DISCUSSION 460 



Daniel Savitsky, Stevens Institute of Technology, 

 Hoboken, New Jersey 



DISCUSSION 461 



Reuven Leopold, U.S. Navy Naval Ship Engineer- 

 ing Center, Hyattsville, Maryland 



REPLY TO DISCUSSION 461 



Daniel Savitsky, Stevens Institute of Technology, 

 Hoboken, New Jersey 



MOTION AND RESISTANCE OF A LOW-WA TERPLANE 

 CATAMARAN 463 



P.C. Pien and CM. Lee, Naval Ship Research and 



Development Center, Bethesda, Maryland 



DISCUSSION 541 



J.N. Newman, Massachusetts Institute of 

 Technology, Cambridge, Massachusetts 



