TY  - JOUR
T1  - Observations on the Lagopus, or Ptarmigan; In a Letter from the Hon. Daines Barrington, V. P. R. S. to Mathew Maty, M. D. F. R. S.
JF  - Philosophical Transactions (1683-1775)
VL  - 63
SP  - 224
EP  - 230
PY  - 1773/01/01/
UR  - http://dx.doi.org/10.1098/rstl.1773.0028
M3  - doi:10.1098/rstl.1773.0028
AU  - Barrington, D.
ER  -