110 



tlie distribution of the processes ol" tlie sensory cells among 

 the nuclei of the epithelial layor. x 1900. 



Fig. 63. Transvei'se section oi' the anterior r^anr;lion. and 

 genital duct, to sliow t'-'.e connection bctv/eon t!ie corebro- 

 visceral connective and anterior ganglion; and the origin of 

 the sensory nerve and its distribution to the genital duct. 

 Only a part of the sense organ was included in the section, 

 v/hich is from T. navalis , though it miglit represent X. fim- 

 briata equally v^ell. x 544. 



Fig. G4. Longitudinal Section of the genital duct, to 

 show its extent and character, and the sense organ of the 

 genital duct. The end of the ovary is shown, as also the 

 folded kidney near its pericardial opening. X 544. 



Figs. G5 and G6. Diagrams to show the relations of the 

 ends ol" the kidneys, genital duct, pericardial cavity and 

 visceral ganglion. Fig. G5 lateral, and fig. o6 dorsal view. 



