ANATOMY OF THE EARTHWORM. 

 ^ C a C 7> 



147 



c J> a J) c 



Fig. 85. 



Fig. 85. — Diagram of the ventral surface of the body cavity of the 

 eighth to twentieth segments of the earthworm. (Drawn by W. K. 

 Brooks. ) 



5, 9, 10-2Q. Body cavities of the segments. a. Nervous system. 

 h. Nerves from ganglia, c. Nerves from commissvu"es. d. Diaphragms 

 between the segments, e. Receptacula seminis. /. Testes, g. Vesicula 

 seminis. h. The opening of the vasa deferentia, represented as seen 



