126 



THE BIOLOGY OF HYDRA : 1961 







Fig. 36. An enlargement of a part of Figure 35. 41,000X. 



DISCUSSION 



HAND: Is it your impression that the tube forms outside the 

 capsule of the nematocyst? 



SLAUTTERBACK: Yes. I think the fact that the Golgi complex 

 remains associated with the tip of the forming tubule makes it 

 difficult to imagine that this is a prematurely fired tube. Further- 

 more, it is difficult to imagine a situation where every time the tube 

 fired inside the cytoplasm it would end up with its tip in immediate 

 association with the Golgi complex. 



ROSS: Isn't there a big volume change in the cnidoblast as it 

 develops? 



SLAUTTERBACK: I haven't done any very accurate measure- 



