STUDIES IN THE LIFE-HISTORY OF EUGLENA. 



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s.r. 



TEXT-FIGURE A. Diagrams showing the origin and development of the motor 

 apparatus in Euglena agilis. A, vegetative stage; B-D, stages in the prophase; E, 

 metaphase; F-H, anaphase; I-J, telophase; K, cells in quiescent period; L, 

 daughter animal reorganized, (bl.) Blepharoplast; b. b. basal body; end., endo- 

 some; ch. m., chromatoid mass left as residue after formation of kinetic elements; 

 , nucleus; gr., granule which arises from the endosome, divides and gives rise to 

 the kinetic elements; r, rhizoplast. 



