PROTOPLASM THROUGH THE WALLS OF VEGETABLE CELLS. 863 
two pits, and unite the protoplasmic masses of the neighbouring cells as 
stated in text (refer to paper), (x 550.) 
Fig. 39. Cell of the lamina of Trichomanes pyxidiferum as seen ten minutes after 
plasmolysis with a 10 per cent, salt solution (after Bower). The threads 
appear to have no fixed relation to the pits. ( X 550.) 
Fig. 40. Similar cell as seen two hours after plasmolysis (after Bower), (x 550.) 
5 s 2 
