"The monotony of a long heroic poem may often be pleasantly relieved by judicious interruptions in the perfect succession of rhymes, just as the metre may sometimes be adorned with occasional triplets and Alexandrines."
Triplets
"The monotony of a long heroic poem may often be pleasantly relieved by judicious interruptions in the perfect succession of rhymes, just as the metre may sometimes be adorned with occasional triplets and Alexandrines."