TY - JOUR T1 - A Biometrical Study of Conjugation in Paramoecium JF - Proceedings of the Royal Society of London. Series B, Containing Papers of a Biological Character (1905-1934) VL - 77 IS - 518 SP - 377 EP - 383 PY - 1906/03/27/ UR - http://dx.doi.org/10.1098/rspb.1906.0024 M3 - doi:10.1098/rspb.1906.0024 AU - Pearl, R. ER -