Australian Earthtrorm.^. 243 



Network of iiephiidijil ducts before tliey pass 

 through body wall 



Nuclei 



Opening of iiephridium t<» exterior 



Opening of nephridium with vesicle placed Neu- 

 trally 



Opening of nephridium witii vesicle phiced dor- 

 sally 



Opening of intracellular duct to vesicle 



Pijjment Granules 



Septa joining walls of segments 



Vesicle 



Probable vesicle in Dipotochaeta i^randis 



Intracellular duct passing from nephridial coils 

 (c. n.) to opening into vesicle. 



Wall of vesicle 



Point where the tube from the funnel and the 

 coiled nephridial tube are connected with 

 with duct passing to vesicle. 



Blind end of coiled nephridial tube. 



