238 



MR. NEWPORT ON THE IMPREGNATION OF 



TABLE II. Experiments with Media that act chemically or me- 



RECAPITULATION AND CONCLUSIONS. 



It may now be well to recapitulate briefly some of the facts and views derived 

 from the foregoing observations and experiments. First, then, the germinal vesicle 

 disappears in the Amphibia before impregnation ; and before, or at the time of the 

 bursting of the ovisac, and extrusion of the egg from the ovary into the cavity of the 



