112 
L. Digby 
threads, forming a reticulum (fig. 31). Tliere is undoubtedly some latitude 
in the degree of dissolution sustained by the chroinosomes. Probably 
sometimes the fragmentation is not so complete, and conseqnently portions 
of chromosomes niay be left entire. No definite Statement can how- 
ever be made on this point, as difficulty was experienced in following 
those stages, and they are apparently passed thi’ough with great rapidity. 
On the other hand the events of the late telophase, as ‘rest’ approaches, 
can be easily traced. and a complete series of nuclei illnstrating these 
can be found. 
There is a gradual withdrawal of the nuclear contents to the periphery, 
and the chromatic granules tend to concentrate into more definite and 
larger rounded beads (fig. 33), or to collect into small aggregations or 
groups, whose multiple character is clearly displayed (fig. 32). The ünm 
reticulum becomes more defined and is partly chromatic as shown by the 
readiness with whicli it aljsorbs a basic stain. Gradually the chromatic 
contents of the nucleus are increasingly concentrated into the chromatic 
bodies which accordingly decrease in number (figs. 34, 35 and 36). Small 
beads of chromatin may be found aniongst them, whose substance is 
apparently about to be absorbed (figs. 34, 35 and 36). 
The nucleolus, surrounded by a clear space, usually occupies the 
centre of the nucleus, whilst the bodies and the Imin are arranged peri- 
pherally. 
The chromatic bodies gradually become fewer (PI. IX, figs. 37 and 
38) until they can be definitely counted, and number 7 (fig. 39), 5 (fig. 40), 
3 (fig. 41), etc. 
By this time the nuclei may be considered to have entered upon 
‘rest’. The area of the loculus has meanwhile considerably enlarged. 
Rest before first meiotic division. 
In the ‘rest’ between the last archesporial division and the heterotype 
prophase, the chromatin of the nucleus is apparently concentrated in the 
nucleolus and in the very few chromatic bodies. These take a deep bright 
stain and stand out sharply and clearly froni the pale linin reticulum. 
Faintly staining masses may also be present resembling portions of Imin 
(fig. 45), and it becomes a matter of personal judgment as to whether 
they should be regarded as chromatic bodies. If, as in C. virens, where 
the number of the bodies is exceptionally low, the results of counts may 
be open to criticisni, it follows how proportionately difficult, if not im- 
possible, it must l)e to acquire accurate estimates where the chromatic 
bodies attain to large numbers. 
