. Bulletin of the United States Fish Commission. Fisheries -- United States; Fish-culture -- United States. Bull. U. S. B. F., 1921-. Fig. 60.—A crate of improved pattern showing outer screens of 1-inch mesh and inner detachable screens of copper cloth, one of which is completely removed and the other turned in to show manner of insertion. Infected fish are held in the crates until the parasitic mussels are shed. The copper cloth prevents the escape of the mussels in the early minute Please note that these images are extracted from scanned page images that may have been digitally enha
. Bulletin of the United States Fish Commission. Fisheries -- United States; Fish-culture -- United States. Bull. U. S. B. F., 1921-. Fig. 60.—A crate of improved pattern showing outer screens of 1-inch mesh and inner detachable screens of copper cloth, one of which is completely removed and the other turned in to show manner of insertion. Infected fish are held in the crates until the parasitic mussels are shed. The copper cloth prevents the escape of the mussels in the early minute Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States Fish Commission. Washington, The Commission, Govt. Print. Off
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License: Licensed
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Keywords: ., book, bookcentury1900, bookcollectionbiodiversity, bookdecade1920
