TY - JOUR T1 - On the Marsupial Pouches, Mammary Glands, and Mammary Foetus of the Echidna Hystrix JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 155 SP - 671 EP - 686 PY - 1865/01/01/ UR - http://dx.doi.org/10.1098/rstl.1865.0015 M3 - doi:10.1098/rstl.1865.0015 AU - Owen, P. ER -