360 THE BIOLOGY OF STENTOR 



masses as hoped ; for when the openings in the screen are smaller 

 than the diameters of stentor so that the animals are broken open 

 when passing through, the wire diameter is then wider than the 

 pores so that the emerging streams of stentor protoplasm are too 

 widely displaced to meet and fuse immediately following disrup- 

 tion of the cells. Yet these remarks may suggest to others more 

 ingenious approaches increasing the possible techniques with 

 Stentor which have by no means been exhaustively explored. 



