TY - JOUR T1 - Some Farther Observations Relating to the Natural History of Wales. In a Letter from Mr. Edw. Lhwyd to Dr. Tancred Robinson, F. R. S. JF - Philosophical Transactions (1683-1775) VL - 27 SP - 467 EP - 469 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1710.0049 M3 - doi:10.1098/rstl.1710.0049 AU - Lhwyd, E. ER -