TY  - JOUR
T1  - Introductory Remarks
JF  - Philosophical Transactions of the Royal Society of London (1776-1886)
VL  - 168
SP  - 302
EP  - 325
PY  - 1879/01/01/
UR  - http://dx.doi.org/10.1098/rstl.1879.0035
M3  - doi:10.1098/rstl.1879.0035
AU  - Balfour, I.
ER  -