TY - JOUR T1 - Extract of a Letter from Dr. John Bartram, to Mr. Peter Collinson, F. R. S. Containing Some Observations concerning the Salt-Marsh Muscle, the Oyster-Banks, and the Fresh-Water Muscle, of Pensylvania JF - Philosophical Transactions (1683-1775) VL - 43 SP - 157 EP - 159 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1744.0036 M3 - doi:10.1098/rstl.1744.0036 AU - Bartram, J. ER -