114 CALIFORNIA ACADEMY OF SCIENCES. 



PLATE XLI. 



ECLIPIDRILUS FEIGIDUS. 



78. A diagrammatic figure of the region of tbe reproductive organs, including somites ix to xvii, showing the aiTange- 



ments of the reproductive organs. The body-wall is represented as being cut open dorsally and spread out. 

 hr. the bridge or narrow jjart of the prostate connecting the wide and lower part with the storage chamber of 

 the spermatozoa, sir. storage chamber of spermatozoa. The prostate and ciliated rosettes are somewhat 

 stretched, as otherwise they could not be seen both at the same time. 



79. Part of the clitellum in transverse section, showing the clitellar glands, the longitudinal and transverse muscu- 



lar layers. 



80A. One of the blood glands or herzkbrper. 



SOB. A single gland cell of the former. 



81. A transverse section of the dorsal vessel, showing the blood gland occupying the ventral part of the vessel. 



82A. Cross-section of the lower part of the spermatheca, at the spermatheeal pore, fei^ body- wall. e/). inner lining 

 epithelium, m. muscular transverse layer, ex. exterior layer. /. m. longitudinal muscular layer of the 

 body-wall. I. 711. transverse muscular layer of the body-wall. 



82B. Cross-section of the distal end of the spermatheca. 



