. The edible clams, mussels and scallops of California. Mollusks; Shellfish. — 30 - knowledge and all have heard of its being plowed out by the farmers and picked up from the furrows unfortunately in part to be waste- fully fed to hogs or chickens. Even in recent years, it has been abundant enough so that during the past four years (1916-1919) the beaches of jMorro, Pismo and Oceano furnished yearly over 150,000 individuals weighing on the average over 200 tons. Its heavy shell might protect it against the force of the surf but another danger, perhaps even greater, threatens it. Only those who


. The edible clams, mussels and scallops of California. Mollusks; Shellfish. — 30 - knowledge and all have heard of its being plowed out by the farmers and picked up from the furrows unfortunately in part to be waste- fully fed to hogs or chickens. Even in recent years, it has been abundant enough so that during the past four years (1916-1919) the beaches of jMorro, Pismo and Oceano furnished yearly over 150,000 individuals weighing on the average over 200 tons. Its heavy shell might protect it against the force of the surf but another danger, perhaps even greater, threatens it. Only those who know the beaches intimately realize to what an extent the sand is a. Fig. 19. Digging Pismo clams, Oceano. Digger returning with liis forlt and a "limit" of clams in his "; changing thing. Pounded and scoured by the waves which act accord- ing to the tide now at this level and now at that, the surface of the beajch trodden by the bather which seems so hard and to the casual eye so unchanging from day to day, is really in a state of constant flux, being now cut down and now built up sometimes to a depth of a few inches and sometimes to a foot or so. This and some of the work that deals with the wave action has been already referred to. Often during a month or an entire season one kind of action will predominate and the diggers who daily frequent the beach and study it as a sailor does the sea, can point out a stranded buoy or stump or rock now bare, that last season was covered, or which now can barely be seen though before it was conspicuous. Such erosion or filling amounting to several feet is common. Below tides the sand is even more at the mercy of the water. On the broad, gently shelving beaches where the. 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 Weymouth Frank Walter;


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Keywords: ., bookcentury1900, bookdecade1920, booksubjectmollusks, bookyear192