42 

 fro" the pp,'^, but i:^ sti'l held in connL^ction •.;ith it by 

 so-^e -pans of attachnent, the "hro^iatin ha." co^ie topether 



and for n :• single mass in the centre of the ^olar j^lob- 



^ o 



ule. The 'neans of attacr.ent of the r^lar bodies to the 

 ^ 'N 



Gurface of the egp is -^ot cuite clear, as the ep.^^ is desti- 

 tute of a •^e•■br^ne. It is r^ossible that so'-ie of the clear 

 liquid -^art of the ^roto^^lasr ray exude fro-- the substa'ice 

 of the egr as the rc'ar bodies are extruded ap.d be the "-eans 

 of holding the?r to the surface of the egg even during fixation, 



As can be seen in the figure, the ger-^inal vesicle 

 during the extrusio" of the -polar bodies is i^ituate-i at the 

 very er.ge of the egf^j even, about hal:" of its bulk extends 

 beyond the general contour of the egg's surface. The yolk 

 granules are crov;ded around the nucleus with the s-^-e density 

 as in other narts of the e^p. After the second nolar body 

 has been given off, the ferale ^rcnucleus -eves back froT 

 the neriphery so-re distance. Here it is -let by the snern 

 nucleus a^d fusion of the two taV.es '^lace. V.hether there is 



