TY - JOUR T1 - The Morphology of the Ungulate Placenta, Particularly the Development of that Organ in the Sheep, and Notes upon the Placenta of the Elephant and Hyrax JF - Philosophical Transactions of the Royal Society of London. Series B, Containing Papers of a Biological Character (1896-1934) VL - 198 SP - 143 EP - 220 PY - 1906/01/01/ UR - http://dx.doi.org/10.1098/rstb.1906.0006 M3 - doi:10.1098/rstb.1906.0006 AU - Assheton, R. ER -