346 



WOOLFORD B. BAKER. 



D 



TEXT-FIGURE B. Diagrams showing the suggested homology between the 

 kinetic elements of Euglena agilis and other flagellates. A, Cryplobia sp.; B. 

 Herpetomonas musca-domesticae; C, Trypanosoma cruzi; D, Euglena agilis. (b) 

 Blepharoplast; (r) rhizoplast; (p) parabasal body; (en) endosome; (n) nucleus; 

 (par. ho.) parabasal homologue. (A and B from Calkins after Swezy;) C from 

 Calkins after McCulloch.) 



