DR. JOHN D. DAVIS. DEPARTMENT OF ZOOLOGY. SMITH COLLEGE. NORTHHAMPTON. 

 MASS. 01060 



MESSERS. R. E. GROSS AND W. E. GARNE, BOSTON INSULATED WIRE AND CABLE CO., 

 BAY STREET, BOSTON, MASS. 02107 



DRS. G. H. HUNT AND J. T. BLAKE, SIMPLEX WIRE AND CABLE CO., 79 SIDNEY STREET, 

 CAMBRIDGE, MASS. 02138 



MR. R. A. CONNOLLY, BELL TELEPHONE LABS., INC., MURRY HILL, N. J. 07971 



DR. JOHN M. LEONARD, CODE 6121, U. S. NAVAL RESEARCH LABORATORY, WASH., D, C. 

 20390 



DR. LEONARD TIETELL. CHEMISTRY RESEARCH LABORATORY L8000-64-3, FRANKFORD 

 ARSENAL, PHILADELPHIA, PENN. 19105 



MR. V. J. BAGDON, MATERIALS RESEARCH LABORATORY, U. S. ARMY ENGINEERING 

 R AND D LABORATORIES, FORT BELVOIR, VIRGINIA 22060 



DR. ANTHONY R. PICCIOLO, NATIONAL OCEANOGRAPH I C DATA CENTER, WASHINGTON, 

 O.C. 20390 



MR. R. G. FULLER, DIVISION OF PHYSIOLOGY AND BIOPHYSICS. BATTELLE MEMORIAL 

 INSTITUTE. 505 KING AVE., COLUMBUS, OHIO ^3201 



