1918.] G. S. Thapar : The Lymph Glands in Pheretima. 75 



at their bases, and projecting downwards into the tunnel, with their 

 free ends, which are narrower than the bases, separate from each other, 

 and so giving a ragged appearance to the lower side of the roof ; the 

 length of these downwardly projecting cells may be more than one- 

 third of the height of the tunnel ; they have a fibrillated structure, 

 the fibrils running in the direction of the long axis of the cells. 



In the tunnels numerous leucocytes are seen, and many nephridia, 

 as mentioned by Beddard and Fedarb. I have no suggestions to offer 

 as to the function of these organs. 



