140 



CELLS, TISSUES, AND ORGANISMS 



time rather than of the temperature shocks as such. It comes earher on 

 the richer (B, C) than on the poorer (A) media. In the case of the 

 experiment of Figure 6 (medium C), growth has come to a standstill 

 after shock 9, and late-dividing monsters develop between shocks 9 and 

 18. The monsters may have one to three macronuclei of uneven size and 

 more than one anarchic mouth anlagen. During the cycling tempera- 

 ture, when there is no division, the cells grow much faster the richer the 



