1.
"heavy sloped dive of the shotted hammock into the sea"
2.
"Now each proceeding that follows a mortal sentence pronounced at sea" - solemn, heavy
3.
"to such mariners the action of the sea-fowl, tho' dictated by mere animal greed for prey, was big with no prosaic significance." - the human interpretation of natural events as superstitious ones
4.
"the croaked requiem of their cries" - emotional consequences on the crew
5.
"the stridor or bony creak of their gaunt double-jointed pinions was audible."