9 2 



RICE. 



light of what follows the inference seems justified that it may 

 have an excretory function. 



V. Elimination. Chloragogue granules are found free in the 

 ccelomic fluid. They are found imbedded in leucocyte bodies. 

 They are found composing the greater part of large waste masses, 



d b 



FIG 2. Transverse view of median dorsal section of outer body wall showing 

 characteristic elimination of minute waste masses of chloragogue granules, a, epi- 

 thelial cells (hypodermis) ; l>, circular layer of muscles ; t, minute masses of waste 

 chloragogue granules making their way to the outside dorsally. In Fig. 3 the 

 masses are large but less numerous ; d, nerve ; e, longitudinal muscle layer ; g, peri- 

 toneal epithelium of which the chloragogue is a modification. 



in some instances filling the entire ccelomic cavity in the poste- 

 rior region of the body, between numbers of the dissepiments. 

 Lastly they are found in the muscular tissue of the outer body 

 wall, dorsally and ventral ly (see Figs. 2 and 3): on the dorsal 



1 



FIG. 3. Longitudinal view of portion of the outer body wall at the level of the 

 ventral row of set^ showing waste elimination ventrally, of waste chloragogue gran- 

 ules in considerable mass. Letters signify same as in Fig. 2 with addition of/, seta. 



aspect, for the most part as diffuse granular masses distributed 

 throughout the circular muscular layer ; on the ventral aspect 

 in more compact masses in the vicinity of the setae. They ap- 

 pear to be thus making their way to the outside. That there is 



