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TELLINIDAE 429
the pallial sinus runs directly posterior to the anterior muscle scar. Common
in shallow water in sand and commonly washed ashore.
West Indian collectors should not confuse this species with Strigilla
rombergi Morch (southeast Florida, the Bahamas to Lesser Antilles) which
is very similar, except that the upper line of the pallial sinus does not reach
the anterior muscle scar. The radial cut lines are more numerous and more
curved in rombergi. Common.
Strigilla viirabilis Philippi White Strigilla
North Carolina to Florida, Texas and the A\^est Indies.
Vz inch in length, oval, inflated, shiny, all white in color and with the
peculiar Strigillid sculpturing which is very similar to that in 5. pisiforinis
(the radial cut lines meet the ventral margin of the valves at an angle of
about 45 degrees). The pallial line runs forward from the posterior muscle
scar but does not reach the anterior muscle scar as it does in pisiforutis.
Common. Do not confuse with the larger Divaricella qiiadrisulcata (page
391) which has fine denticulations on the inner margins of the valves.
5. flexuosa Say 1822 is preoccupied by Montagu 1803 and Turton 1807,
and must take the name viirabilis Philippi 1841.
Strigilla pisijorviis Linne Pea Strigilla
Florida Keys, the Bahamas and the AVest Indies.
% inch in length, similar to 5. carnaria, but always much smaller and
more inflated. The pink color inside is concentrated in the deepest part of
the valve, and the margins are usually white. The radial, oblique cut lines
meet the ventral margin of the valve at about 45 degrees angle, while in
carnaria the Hnes are almost vertical. This is a very abundant species, es-
pecially in the Bahamas where they are gathered in great numbers and
brought to Florida for use in the shellcraft business.
Genus Phylloda Schumacher 18 17
Subgenus Phyllodina Dall 1900
Phylloda sqiiamijera Deshayes Crenulate Tellin
North Carolina to the south half of Florida.
Figure 86h
/4 to I inch in length, elongate, concentrically and finely ridged. Characterized
by the strong crenulations on the posterior dorsal margin and by
the hghtly hooked-down posterior ventral margin. Color whitish with a
yellow or orangish tint. Moderately common from low water to 60 fathoms.