"And Harvey says in other song at very end:
"Captain Cushman is a grocer
But a first rate sailor, no sir!
Oh, what a terrible man!
Oh, what a terrible man!" "

Props, sir, I could never understand what the heck he said!

"Said cabbage to fish cake that lay on one dish
'I beautiful cabbage you only a fish.'"

I believe it's "you only poor fish"