LIST OF ILLUSTRATIONS 



FIG. PAGE 



I. DIAGRAM OF A CELL. ITS BASIS CONSISTS OF A MESHWORK 

 CONTAINING NUMEROUS MINUTE GRANULES (MICRO- 

 SOMES) AND TRAVERSING A TRANSPARENT GROUND- 

 SUBSTANCE. From Wilson . . . . . 19 



II. AMOEBA, SHOWING CLEAR ECTOPLASM, GRANULAR ENDO- 

 PLASM, DARK NUCLEUS, AND LIGHTER CONTRACTILE 

 VACUOLE. FromVerworn. . . . . . 28 



AMOEBA DEVOURING A PLANT CELL ; FOUR SUCCESSIVE 



STAGES OF INGESTION. From Verworn . . . 28 



III. DIAGRAM SHOWING THE PHASES OF KARYO KINESIS DES- 



CRIBED IN THE TEXT . . . . . . 55 



IV. REGENERATION OF PLANABIANS . . . . 105 



