THE EARTHWORM AND ANNELIDS IN GENERAL i8l 



consist of the following parts: posterior to each ovary is a 

 ciliated funnel which passes through the septum between somites 

 XIII and XIV, enlarges into an egg sac (R), and then narrows 



FIG. 93. Diagram of the reproductive organs of the earthworm, dorsal view. 

 A, B, C, seminal vesicles ; N, nerve cord ; O, ovary ; OD, oviduct ; R, 

 egg sac ; S, spermatheca ; SF, seminal funnel ; T, testes ; VD, vas defer- 

 ens. (From Marshall and Hurst.) 



into a thin duct (OD) which opens to the outside on the ventral 

 surface of the body near the center of somite XIV. The sper- 

 mathecae are white globular sacs situated near the ventral body 



