A metrical line of ten syllables.Each line of ‘I mari del Sud’ begins with a decasyllable composed of three anapestic feet....
The division into two quartets followed by two tercets, a consistent rhyme scheme and the decasyllable stand out as these sonnets’ most obvious formal features.
While most sonnets conform to the usual rules of prosody, with their decasyllables and 14 rhymed lines, there are exceptions throughout the set.