FORMATION OF THE FIRST SPERMATOCYTE CHROMOSOMES PLATE 2 



PERNANDUS PATNE 



I r r ^ r^ 



k. I . ^3 \ 



^ r^ r> r-N 



V-' ^-/ Vw^ 



' 8 9 ^^ 10 





• f " 



•14 15 



vO C f c 



19 



O o { « 



23 24 25 • 26 27 



585 



