TY  - JOUR
T1  - Some Observations on the Dragon-Fly or Libella of Pensilvania, Collected from Mr. John Bartram's Letters, Communicated by Peter Collinson, F. R. S.
JF  - Philosophical Transactions (1683-1775)
VL  - 46
SP  - 323
EP  - 325
PY  - 1753/01/01/
UR  - http://dx.doi.org/10.1098/rstl.1749.0060
M3  - doi:10.1098/rstl.1749.0060
AU  - Bartram, J.
AU  - Collinson, P.
ER  -