41 

 take Place on the outside. A few rinutes after the eg.^r is 

 laid the first Dolar body is niven off at the upper pole 

 of the egg. The second polar globule follov/s after a very- 

 short intervr.l. Thece structures are of an ephemeral nature 

 and soon disintegrate or pass out into ;-he water and are 

 lost. othing can be made out of their internal structure or 

 "fti^ of the arrangeTe^t of the chroiratin v«ith the lev/ nagni- 

 fication v;hioh one is obliged, to use in the study of :he livig 

 egg. However I was fortunate enough to get sectons of 

 the early stage.- of r)reserved eggs v/hich show the nolar bodies 

 in the ^rocess of being extruded. The ger-inal vesicle icves 

 to the periphery of thaegg, then a part ci its substance 

 is divided off and extruded as the first polar bcdy. In 

 Figure 7, whch is a section of an egg that was preserved 

 a few "inutes after it hai beer laid, the second nolar body 

 is iust being given off. It contains several granules of 

 chro:T;at,in scattered :.hrough its Glc^.w.r hy>iline .:ub.;t...:-cr . 

 Ir, oho ' , . little distance 



