Section Oudardia Monterosato 1885 Tellina modesta Carpenter Alaska to the Gulf of California. Modest Tellin Plate 31U % to I inch in length, elongate, moderately pointed at the posterior lower corner. Surface white with iridescent sheen and with fine concentric threads or grooves. These fade out at the posterior fourth of the shell, but reappear more coarsely on the very posterior slope. There is a well-formed, radial rib inside just behind the anterior muscle scar. Common in certain sandy localities from shore to 25 fathoms. It appears that T. buttoni Dall is the same species.
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Figure 87. Pacific Coast Tellins. a and b, Tellina idae Dall, 2 inches (California); c and d, Tellina hitea Wood, 3 inches (Alaska). Section Peronidia Dall 1900 Tellina lutea Wood Arctic Ocean to Cook's Inlet, Alaska. Japan. Great Alaskan Tellin Figure 87c, d 3 to 4 inches in length, elongate, quite compressed, and with a posterior twist to the right. Worn shells chalky-white, commonly with a pink flush. Periostracum in young is greenish yellow and glossy; in adults dark-brown. Ligament prominent. Commonly found from beach to 2 3 fathoms. T. venu- losa Schrenck 1861 is an ecologic form with brownish cracks in the shell.
