They include young stakes winner Bonny O’Reilly covered by Australia's champion sire Snitzel in her first at stud.
Bonny O'Reilly, a stakes winner of eight races and earner of almost $400,000, will go under the hammer following the Book One broodmare supplementary catalogue on Friday.
She was served by Snitzel at Arrowfield Stud on September 16 last year.
The mare has been catalogued as Lot 1940 and will be available for inspection in the Glastonbury Farms draft from Wednesday.
Other late supplementary broodmares come from Yarraman Park Stud and include:Defy The Odds, the dam of G1 winner Leicester in foal to Fastnet Rock
Erato, dam of G1 winner Lyre in foal to Russian Revolution
Romany Flyer, dam of Invincible Star in foal to I Am Invincible.
The 2019 Magic Millions National Broodmare Sale commences on Tuesday with the highly anticipated race fillies and maiden mares section as well as stallions and stallion nominations including eight in aid of injured jockey Tye Angland.