594 



A. A. MICHEISON AND HENRY G. GALE 



shifts of the fringes after the current was re-established. It seems 

 highly probable that the large difference of phase which is shown 

 for the fourth month E-W diurnal tide is due to such disturbances. 



TABLE I 



N-S, Semi-Dixjrnal, Lunar 



TABLE II 

 E-W, Semi-Diurnal, Lunar 



