THE OPALINID CILIATE INFUSORIANS. 



79 



Fig 49— Protoopai.ina mexicana : a, an old daughter cell whose nuclei have NCyT 



YET reached the TELOPHASE CONDITION, X 460 DIAMETERS ; h, ITS ANTERIOR NUCLEUS, 

 PUOWING THE PAIRS OF MACROCHROMOSOMES, X 2,000 DIAMETERS; C, AN INDIVIDUAL 

 OF THE USUAL SORT, WITH TELOPHASE NUCLEI, X 460 DIAMETERS. 



