l82 C. M. CHILD. 



these nuclei do not represent earlier stages than^those in Fig. 13, 

 A, for they are always larger than the latter and the irregularity 

 of the spireme is not found in the earlier stages. These nuclei 

 are the first stages in a remarkable process of fragmentation 

 which will be described in a later section. Their relative fre- 

 quency as compared with the others appears to vary in different 

 chains, proglottids and regions. Sometimes they seem to be 

 more, sometimes less numerous than the others. 



(To be continued.) 



