TY  - JOUR
T1  - Several Observations in Natural History, Made at North - Bierley in Yorkshire, by Dr. Richard Richardson (M. D.) Communicated in a Letter to Dr. Hans Sloane, R. S. Secr.
JF  - Philosophical Transactions (1683-1775)
VL  - 28
SP  - 167
EP  - 171
PY  - 1753/01/01/
UR  - http://dx.doi.org/10.1098/rstl.1713.0018
M3  - doi:10.1098/rstl.1713.0018
AU  - Richardson, R.
ER  -