IX' 



EDITH PINNEY. 



nmre slender than t!u>-i- of HippoHor. Fiu. 20 i- a -ection through 

 a. metakinesis stage. ( )nly a lC\\ of tin- chromosomes are shown. 

 Three tvpcs appear; the ordinary rods, two mial! YV and t\\o 

 club--haped elements. In Figs. 2~ and 2N. which are analytical 

 drawings < it" two early Moiru spindles, the same three types appear. 

 It could not be determined whether the club-shaped chromosomes 



I'M.. 25. 

 !!'.. 26. 



\1:>irn. 

 Mnirii. 



plate from first sr.ntm-iitat i< MI 

 anapli 



FlG. 27. Moirti. ('liniiiiip-niiii-> limn an r.nl\ anaphase. A", honk? 

 FlG. 28. Mtiiru. Same as 27, Mai;nifh atinn, i .5110 iliaim ; . 



were small hooks or not. Tin- chromo-ome X in each of tin- 

 figures mentioned above ha^ the appearance ol'ien p|-e-enti-d li\- 

 the Hipponoe hook. Tin- -mall \"> are iimneroii> Imt their 

 number is not e\ident. AlthoiiL'h the Moini cliromo-ome^ are 

 comparatively well separated on the >pindle the fact that the 

 number is not the same in all of the fignro i> e\ idenci- that e\cn 



