. West coast shells. A familiar description of the marine, fresh water, and land mollusks of United States, found west of the Rocky Mountains ... ockles—Chama — How To Determine the Spe-cies — Some Nesteers — Saxidomus — The CarpetSheee — Chione — Amiantis — Pachydesma — TheStandeeeas — Semeee—The Wedge-Sheee—Macomasect a. THE common Heart-shell or Cockle of this coasthas a pleasant history. It was spoken of by Cap-tain Dixon, in 1789, who found it at the mouth ofCooks river, in Alaska, along with mussels and othershells. He quaintly states that half-a-dozen ofthem would have afforded a good s
. West coast shells. A familiar description of the marine, fresh water, and land mollusks of United States, found west of the Rocky Mountains ... ockles—Chama — How To Determine the Spe-cies — Some Nesteers — Saxidomus — The CarpetSheee — Chione — Amiantis — Pachydesma — TheStandeeeas — Semeee—The Wedge-Sheee—Macomasect a. THE common Heart-shell or Cockle of this coasthas a pleasant history. It was spoken of by Cap-tain Dixon, in 1789, who found it at the mouth ofCooks river, in Alaska, along with mussels and othershells. He quaintly states that half-a-dozen ofthem would have afforded a good supper for one per-son. Its name is Cardium corbis, Mart., Car;-di-um cor-bis. A beautiful end view of one of them, fullyjustifying the name uHeart-shell, is given in Fig. 153. The shells are veryfull and round, the ribsabout thirty in number,slightly scaly. Pallial lineentire, edge of shells strong-ly toothed, color whitish orlight brown. Portions oflarge, broken shells mayfrequently be picked upnear the Cliff House inSan Francisco. The dia-meter of ordinary speci-mens is two or three elatum, Sby.,. CARDIUM. l8l Li-o-car-di-um e-la-tum. As the last species wasessentially a northern mollusk, so this one makesits home in the warmer waters of the south. Ithas a fine heart-shaped shell, yellowish white incolor and covered with a delicate, light brownepidermis. It is nearly smooth, but is markedby about fifty small ribs, and the same number ofinterlocking teeth on the edge of the valves. Some-times it grows to a great size, six inches or more indiameter. While one of these cockles would beenough for a meal, the shells would answer for bowlsto contain the chowder. Liocardium siibstriatum, Conr., is a smooth little cockle, and like the last oneit lives in the south. Its shape isshown in Fig. 154, which gives anenlarged view, for the shell is notmuch more than half an inch inlength. Its color is a light drab,spotted with yel
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectmollusks, bookyear188
