THE OEGANIC CELL 
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In the Metazoa or many-celled forms, a differentiation 
into body-forming and germinal- cells has taken place ; the 
germinal- cells being isolated and quite distinct from the somatic 
A. A swarming family. B. A similar family divided into sixteen daughter 
families. C. A sexual family, the individual cells of which are escaping from the 
gelatinous matrix. D, E. Conjugation of pairs of swarm spores. E. A 
young zygote. G. A mature zygote. H. Transformation of the contents of 
a zygote into a large swarm-cell. I. The same, free. J. A young family 
developed from the latter. (After Pringsheim.) 
cells, and carrying within their chromatin rods the great function 
of the preservation of the race : the line of germ-plasm, from 
which the germ-cells arise, dates back to the very commencement 
of life on our planet. The somatic cells carry out their functions 
for a short time, become old, and die. They represent, and 
