Shell-fish industries . quare foot of a prolific bed. The bottom in which clams burrow is not alwaysmuddy. Most often it is made up largely of sand mixedwith mud or clay, and at times they are found in al-most clear sand. In the latter case the shells, instead ofbeing discolored as in muddy bottoms, are pure some localities, usually on sandy beaches, lime is notabundant, and shells are thin. Such clams are known as paper shells. When a clam bed is dug frequently, many are killedby the fork or hoe, and subsequently become decaying bodies stain the surrounding sand apitchy
Shell-fish industries . quare foot of a prolific bed. The bottom in which clams burrow is not alwaysmuddy. Most often it is made up largely of sand mixedwith mud or clay, and at times they are found in al-most clear sand. In the latter case the shells, instead ofbeing discolored as in muddy bottoms, are pure some localities, usually on sandy beaches, lime is notabundant, and shells are thin. Such clams are known as paper shells. When a clam bed is dug frequently, many are killedby the fork or hoe, and subsequently become decaying bodies stain the surrounding sand apitchy black, and give it an offensive odor, so that clamdigging is not always a pleasant occupation. If clamsare very closely crowded, especially where tide currentsare sluggish, the decay of several bodies leads to thedeath of others, indirectly by the formation of com-pounds that eat through the lime of the shells, and ap-parently also directly by poisoning or infection. Mya sometimes lodges and burrows in places quite in-. Fig. 54. Holes of long-neck clams very thickly set in a a Report of the Mass. Fish and Game Commissionby D. L. Belding.
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Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyo, bookyear1910
