946 REPORT OF COMMISSIONER OF FISH AND FISHERIES. [68] 



EXPLANATION OF PLATE XL 

 Fig. 10. — LiMNODRILUS monticola. 



Fig. 10 a. — The worm, natural size. 

 10 J). — One of the spines. 

 10 G. — The cephalic ganglion. 



10 d. — Efferent duct, atrium, penis, penis sheath, oviducts (interior and exterior). 

 10 e. — Penis and oviducts, more highly magnified. 

 10 /. — The exterior end of the penis, penis sheath, and oviducts. 

 10 g. — One of the receptacles, with spermatophores. 

 10 h. — One of the spermatophores, highly magnified. 



