TY - JOUR T1 - Co-Relations and Their Measurement, Chiefly from Anthropometric Data JF - Proceedings of the Royal Society of London (1854-1905) VL - 45 SP - 135 EP - 145 PY - 1888/01/01/ UR - http://dx.doi.org/10.1098/rspl.1888.0082 M3 - doi:10.1098/rspl.1888.0082 AU - Galton, F. ER -