TY - JOUR T1 - On the Structure of the Immature Ovarian Ovum in the Common Fowl and in the Rabbit. To Which Is Appended Some Observations upon the Mode of Formation of the Discus Proligerus in the Rabbit, and of the Ovarial Glands or 'Egg-Tubes' in the Dog JF - Proceedings of the Royal Society of London (1854-1905) VL - 30 SP - 237 EP - 250 PY - 1879/01/01/ UR - http://dx.doi.org/10.1098/rspl.1879.0112 M3 - doi:10.1098/rspl.1879.0112 AU - Schafer, E. ER -