172 THE VOYAGE OF H.M.S. CHALLENGER. 



Fig. 7. View of the female reproductive organs. Twice the natural size, a, efferent 

 duct. 



Deima fastosum, Theel. 

 „ 8. View of the reproductive organs. One and a half times the natural size. 

 a, efferent duct. 



Benthodytes abyssicola, Theel. 

 ,, 9. View of the male reproductive organs. Twice the natural size, a, efferent 



duct. 

 „ 10. View of the female reproductive organs. Twice the natural size, a, efferent 



duct. 



