Development of the Frog's Egg

Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. Polar bodies and fertilization Extrusion of the First Polar Body and Egg-laying. The Jelly of the Egg, and the Second Polar Body. Entrance of Spermatozoo''n and Copulation of Pronuclei.