. The edible clams, mussels and scallops of California . Fig. 13. Panope gcnerosa. left valve. One-lTalf natviral size. Ligament external, f. Shell not markedly elongated (length not equalling three times the breadth) ; animal never moving freely up and down a permanent burrow, g. Shells not exceptionally thin nor gaping markedly at anterior end to accommodate foot, periostracum not conspicuous, no internal rib; not found in clear sand on open beaches.

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Keywords: ., bookcentury1900, bookdecade1920, booksubjectmollusks, bookyear192