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Page:Popular Science Monthly Volume 44.djvu/21

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THE CONSERVATION OF OUR OYSTER SUPPLY.

banks about the 1st of July; the little spat at once cling to it, if they are anywhere near, and they are allowed to remain on

PSM V44 D021 Tile collectors.jpg
Fig. 7.—Tile Collectors.

the tile until October, when they have attained "about the size of a finger nail." The tiles are then carefully placed upon lighters and floated ashore, where the seedling oysters are detached from them "by short pushes of a chisel-like knife." The spat usually

PSM V44 D021 Wooden tray collectors.jpg
Fig. 8.—Wooden-Tray Collectors.

averages on moderately clean ground about four hundred per tile, but as many as two thousand have been counted on one tile of fourteen inches by six.