ZOOLOGY 



organism, provided however with a nucleus. These amoebulae 

 may multiply by fusion, but ultimately they run together and 

 form the plasmodia (Fig. 1, A), which form the dominant and 

 characteristic phase in the life-history of the Myxomycetes. 



Fig. 2. 



A portion of the Plasmodium of Bad- 

 hamia, x 3J, showing a pseudo- 

 podium (1) commencing to enclose 

 a piece of mushroom stem. After 

 Lister. 



Spore of Chondrioderma. 



Spore of Chondrioderma dehiscing. 



FlageUulae which have emerged from 

 the spores. 



B. ATnoebulae formed by meta- 

 morphosis of flagellulae. 



F. Two amoehulae fusing to 

 form F'. 

 6 and Gt'. Stages in the formation of a 

 three-celled Plasmodium. 



H. A small Plasmodium. 



(B-H., after Cienkowski.) 



CJiondriodernia' difforme, the species illustrated in Fig. 2, 

 has a smaU plasmodium, easily visible to the naked eye. This 

 species occurs commonly on old bean-stalks. The plasmodia 



