PLATE XIII. 



Lumbricillus franciscanus sp. nov. 



FIG. i. Section through the penial bulb. There are two sets of glands, one 

 set opening into the sperm-ducts, the other on the surface of the 

 bulb. 



2. Section of one of the ventral glands. 



Lumbricillus santceclarce sp. nov. 



3. Section through penial bulb. At the top is seen the sperm-duct in 

 section ; surrounding the lower part of the duct are a set of unicel- 

 lular glands. 



4. Section through one of the ventral glands. 



Lumbricillus ritteri sp. nov. 



5. Spermatheca. There are two sets of glands, one set around the 

 base, and another along the duct. The apical part connects with 

 the intestine. 



6. Another spermatheca. 



7. One of the testes. 



8. a, b. Two lobes of the testis. The apical globular sacs are the sperm- 



sacs. 



9. Nephridium. The neck of the central part is strongly glandular. 



