VOL. XXVI 



1918 



TRANSACTIONS 



OF 



MARINE 



BIOLOGICAL 

 LABORATORY 



RARY 



^^^ HOLE. MASS. 



THE SOCIETY OF NAVAL ARCHITECTS 

 AND MARINE ENGINEERS 



EDITED BY THE SECRETARY 



PRINCIPAL OFFICE OF THE SOCIETY 



ENGINEERING SOCIETIES BUILDING 



29 WEST 39di STREET, NEW YORK, N. Y., U. S. A. 



