like nodes. Behind the tiny, curved beaks there is an ovalish, heart-shaped depression. Internal margin of valves strongly crenulated with tiny teeth. Adults are commonly misshapen by concentric growth stops. Common from shallow water to 68 fathoms. Compare with L. multilineata.
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Figure 78. American Lucinas. ATLANTIC: a, Fhacoides fllosiis Stimpson, i to 3 inches; b, Liicina soffibrerensis Dall, Y^ inch; c, Liicina amiantus Dall, % inch; d and e, Lucina leiicocyvia Dall, 34 inch; f, Liicina multilineata Tourney and Holmes, % inch. PACIFIC: g, Lucina approxiinata Dall, ^ inch; h, Liicina tenui- sculpta Cpr., % inch. Subgenus Farvilucina Dall 1901 Lucina multilineata Tuomey and Holmes North Carolina to both sides of Florida. % to ^/4 inch in length, almost circular in shape, very obese, moderately Many-lined Lucina Figure ySf
