[Book I/Chapter IV]
“A wierd, low sound of song seemed to rise from” to weird.
[Book I/Chapter V]
“Yet not a murmer of pity or sorrow came from a single” to murmur.
“from a single breast in all the vast, silent, throng” delete comma after silent.
“Manco replied in a low, steady vaice” to voice.
[Book I/Chapter VI]
“the last of them had died away in a long, wailing, scream.” delete the comma after wailing.
[Book II/Chapter I]
“than when we started. and as for that green yonder” to And.