This page has been validated.
Rearing and Breeding Ponds at Cold Spring Harbor, showing Sunshades and Spawning Races for Large Ponds. By courtesy of Mr. W. H. Cooper, President of the Photo-Section, Brooklyn Institute.
Rearing and Breeding Ponds at Cold Spring Harbor, showing Sunshades and Spawning Races for Large Ponds. By courtesy of Mr. W. H. Cooper, President of the Photo-Section, Brooklyn Institute.
