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Test Variation In The Sand Dollar, Mellita Quinquiesperforata (Leske), George Glynn Rountree
Test Variation In The Sand Dollar, Mellita Quinquiesperforata (Leske), George Glynn Rountree
OES Theses and Dissertations
Mellita quinguiesperforata is a common member of the benthos along the eastern coast of North America. This study considers variation of the test within the species, specifically: 1) variation in test weight, 2) variation in the length-width relationship, and 3) the average number of pore pairs in the ambulacral petals.
A total of 844 sand dollars from three localities was utilized: 1) Pass-a-Grill Beach, St. Petersburg, Florida,2) Bird Shoal, Beaufort, North Carolina, and 3) Fisherman Island, Virginia.
Animals were measured for length and width and the dry weight determined. Prediction equations for the size-weight relat1onships were computed for the three …