TY - JOUR T1 - On the Ova of the Echidna hystrix. JF - Proceedings of the Royal Society of London (1854-1905) VL - 30 SP - 407 EP - 407 PY - 1879/01/01/ UR - http://dx.doi.org/10.1098/rspl.1879.0138 M3 - doi:10.1098/rspl.1879.0138 AU - Owen, P. ER -