32 



chromosome areas 



CYTOLOGY 



CHAP. 



lose their identity, is obviously a very difficult one to 



Fig. 14. 



Meiotic Phase in the rmle _ Tcropteris onisc^^ni^ i^iier \.^^^^^^ ^afsingTntcl 



A, B, telophases of last pre-meiotic (^P^^^^p^togom^) mitos^ C, ^^^^^JJ^^P^e stage ; I, d'iplotene stage ; 

 t^^^i^X^^^SSip^U^ -iotic I.; L. .etaphase I. ; M. 



anaphase I.; N, prophase II. ; O, metaphase II. , P, telophase n. 



establish. Wilson, however (1912), who examined the Schreiners' own 

 material, is inclined to agree with them on this point. 



