122 



FERNANDUS PAYNE. 





efFV 



*** 



: !* 



&* s*.'t 



! O 



.N 



FIG. i. Diplocodus c.vsanguis Stal. .-/ and 5, metaphase, polar view, of 

 two female cells showing 26 chromosomes ; C and D, metaphase, polar view, 

 of two male cells, 26 chromosomes ; E and F, two metaphase figures of the 

 first maturation division, 14 chromosomes; G and H, two metaphase figures 

 of the second maturation division, 13 chromosomes; / and /, two anaphases 

 of the second division, taken from the same spindle ; K, a side view of the 

 second division, metaphase ; L, side view of the second division, early anaphase, 

 showing the early separation of the idiochromosomes ; M, the early growth 

 period, about contraction-phase. Two of the dark bodies are probably the 

 idiochromosomes and the other the plasmosome ; N and O, two drawings 

 from approximately the same stage in the growth period. In N the plas- 



