The Mastigophora 161 



Fig. 4. 33. A-D. Flagella and reservoir: Euglena mutabilis (A), Euglena- 

 morpha, green form (B), Eutreptia (C), Distigma (D); diagrammatic (after 

 Hollande). E. Plasmolyzed specimen of Eugleua archaeoplastidiata, pellicle 

 separated from body, two pyrcnoids shown; schematic (after Chadefand). 

 F-I. Various types of chromatophores in Euglena: E. geniculata (F), E. ana- 

 baena (G), E. viridis (H), E. variabilis (I); schematic (after Pringsheim). 

 J. Trachelomonas volvocina Ehrbg., showing test, chromatophores, stigma, 

 nucleus (outline); x720 (after Deflandre). K, L. Klebsiella alligata, external 

 view of lorica and optical section through posterior end; xlOOO approx. 

 (after Pascher). M. Euglena gracilis, palmella; x455 (after Krichenbauer). 

 N. E. gracilis, somatella with six luiclei; chromatophores not shown; x675 

 (after Krichenbauer). O. Phacus caudata, four daughter flagellates being 

 produced from a somatella; x850 (after Krichenbauer). 



