Till' AMCEBA. 7 



Bnoh as diatoms and desmids, and of portions of thread-like 

 plan ts, or of animalcules. Aitei selecting its food, a 

 example a minute plant, it engulfs or swallows il by mov- 

 ing towards the object and gradually closing around it, 



z- 







/ 



3* * 



i 



0' 



a. 



/ 



Flu. 1. — Amoeba proteua. a, endosarc; c, ectosarc; )>. simple peeudo] 

 branched pseu lopod; •/. food vacuole; c/.a pseudi aning to grow out, 



tie a little mora developed ; food vacuole; fc, food l>all; i, uucleus; k, 

 tractile ti side. Magnified 200 diameters. After Brooks. 



until the object is enveloped within the body, which 



transparent that the food-objecl ran l>e seen through it. 



