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nydus/On Growth and FormPublic
Page 375 of 959
Table of Contents

CHAPTER VIII THE FORMS OF TISSUES OR CELL-AGGREGATES ( continued )

forth.

Two schematic diagrams of cellular patterns: (a) depicts a configuration meeting at a T-junction, while (b) shows a Y-junction.
Two circular diagrams showing patterns of cell division or partitions labeled 'a' and 'b', each divided into eight segments.
Two circular diagrams comparing a geometric pattern of six symmetrical radial divisions (a) with a cell-like network (b).

It will be seen that M. Robert-Tornow〙s figure of the segmenting egg of Trochus (Fig. 160) clearly shews the cells grouped after the fashion of Fig. 158, a. In like manner, Mr Conklin〙s figure of the ascidian egg (Cynthia) shews equally clearly the arrangement g.

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