"rosy and silvery essences"--relates to the color of the water in the channel, as determined by the setting sun's rays.
"passeth a hurrying sound of wings"--a sound of wings hurrying past.
"is in his ecstasy"--the tide has reached its highest point--it is the moment of accomplishment; the task is finished.
"Vast of the Lord"--The influence of God upon men is compared to that of the tides of the sea upon the marshes.
"waking ken"--Who can tell us the meaning of our dreams?
ORATIONS AND PATRIOTIC SELECTIONS
"Stirred up with high hopes of living to be brave men and worthy patriots, dear to God and famous to all ages."
--JOHN MILTON.