TY - JOUR T1 - Mathematical Contributions to the Theory of Evolution. On the Inheritance of the Cephalic Index JF - Proceedings of the Royal Society of London (1854-1905) VL - 62 SP - 413 EP - 417 PY - 1897/01/01/ UR - http://dx.doi.org/10.1098/rspl.1897.0129 M3 - doi:10.1098/rspl.1897.0129 AU - Fawcett, C. AU - Pearson, K. ER -